Home / 1,040,399.84-1,560,599.73-292,445.84

Finding the Fourth Proportional to 1,040,399.84, 1,560,599.73 and 292,445.84

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Solution

The fourth proportional to 1,040,399.84, 1,560,599.73 and 292,445.84 is: 438,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,399.84 : 1,560,599.73 = 292,445.84 : x
  2. Step 2: Convert to fraction form
    1,040,399.84/1,560,599.73 = 292,445.84/x
  3. Step 3: Cross multiply
    1,040,399.84x = 1,560,599.73 × 292,445.84
  4. Step 4: Simplify right side
    1,040,399.84x = 456,390,891,140.63
  5. Step 5: Solve for x
    x = 456,390,891,140.63/1,040,399.84
  6. Step 6: Final answer
    x = 438,668.75

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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.