Home / 1,200,535.38-1,656,676.98-656,565.30

Finding the Fourth Proportional to 1,200,535.38, 1,656,676.98 and 656,565.30

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Solution

The fourth proportional to 1,200,535.38, 1,656,676.98 and 656,565.30 is: 906,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,535.38 : 1,656,676.98 = 656,565.30 : x
  2. Step 2: Convert to fraction form
    1,200,535.38/1,656,676.98 = 656,565.30/x
  3. Step 3: Cross multiply
    1,200,535.38x = 1,656,676.98 × 656,565.30
  4. Step 4: Simplify right side
    1,200,535.38x = 1,087,716,618,376.79
  5. Step 5: Solve for x
    x = 1,087,716,618,376.79/1,200,535.38
  6. Step 6: Final answer
    x = 906,026.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.