Home / 1,040,430.54-1,560,645.81-292,476.54

Finding the Fourth Proportional to 1,040,430.54, 1,560,645.81 and 292,476.54

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Solution

The fourth proportional to 1,040,430.54, 1,560,645.81 and 292,476.54 is: 438,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,430.54 : 1,560,645.81 = 292,476.54 : x
  2. Step 2: Convert to fraction form
    1,040,430.54/1,560,645.81 = 292,476.54/x
  3. Step 3: Cross multiply
    1,040,430.54x = 1,560,645.81 × 292,476.54
  4. Step 4: Simplify right side
    1,040,430.54x = 456,452,286,674.30
  5. Step 5: Solve for x
    x = 456,452,286,674.30/1,040,430.54
  6. Step 6: Final answer
    x = 438,714.81

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.