Home / 1,342,572.46-2,013,864.11-543,869.12

Finding the Fourth Proportional to 1,342,572.46, 2,013,864.11 and 543,869.12

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Solution

The fourth proportional to 1,342,572.46, 2,013,864.11 and 543,869.12 is: 815,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,572.46 : 2,013,864.11 = 543,869.12 : x
  2. Step 2: Convert to fraction form
    1,342,572.46/2,013,864.11 = 543,869.12/x
  3. Step 3: Cross multiply
    1,342,572.46x = 2,013,864.11 × 543,869.12
  4. Step 4: Simplify right side
    1,342,572.46x = 1,095,278,501,305.28
  5. Step 5: Solve for x
    x = 1,095,278,501,305.28/1,342,572.46
  6. Step 6: Final answer
    x = 815,805.88

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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.