Home / 1,040,358.60-1,560,537.90-292,404.60

Finding the Fourth Proportional to 1,040,358.60, 1,560,537.90 and 292,404.60

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Solution

The fourth proportional to 1,040,358.60, 1,560,537.90 and 292,404.60 is: 438,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,358.60 : 1,560,537.90 = 292,404.60 : x
  2. Step 2: Convert to fraction form
    1,040,358.60/1,560,537.90 = 292,404.60/x
  3. Step 3: Cross multiply
    1,040,358.60x = 1,560,537.90 × 292,404.60
  4. Step 4: Simplify right side
    1,040,358.60x = 456,308,460,434.34
  5. Step 5: Solve for x
    x = 456,308,460,434.34/1,040,358.60
  6. Step 6: Final answer
    x = 438,606.90

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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.