Home / 1,687,732.52-2,329,052.70-913,346.22

Finding the Fourth Proportional to 1,687,732.52, 2,329,052.70 and 913,346.22

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Solution

The fourth proportional to 1,687,732.52, 2,329,052.70 and 913,346.22 is: 1,260,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,732.52 : 2,329,052.70 = 913,346.22 : x
  2. Step 2: Convert to fraction form
    1,687,732.52/2,329,052.70 = 913,346.22/x
  3. Step 3: Cross multiply
    1,687,732.52x = 2,329,052.70 × 913,346.22
  4. Step 4: Simplify right side
    1,687,732.52x = 2,127,231,479,725.79
  5. Step 5: Solve for x
    x = 2,127,231,479,725.79/1,687,732.52
  6. Step 6: Final answer
    x = 1,260,407.95

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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.