Home / 1,581,026.08-2,371,117.12-443,721.28

Finding the Fourth Proportional to 1,581,026.08, 2,371,117.12 and 443,721.28

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Solution

The fourth proportional to 1,581,026.08, 2,371,117.12 and 443,721.28 is: 665,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,026.08 : 2,371,117.12 = 443,721.28 : x
  2. Step 2: Convert to fraction form
    1,581,026.08/2,371,117.12 = 443,721.28/x
  3. Step 3: Cross multiply
    1,581,026.08x = 2,371,117.12 × 443,721.28
  4. Step 4: Simplify right side
    1,581,026.08x = 1,052,115,123,516.31
  5. Step 5: Solve for x
    x = 1,052,115,123,516.31/1,581,026.08
  6. Step 6: Final answer
    x = 665,463.48

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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.