Home / 1,398,516.81-2,098,896.22-724,790.73

Finding the Fourth Proportional to 1,398,516.81, 2,098,896.22 and 724,790.73

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Solution

The fourth proportional to 1,398,516.81, 2,098,896.22 and 724,790.73 is: 1,087,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,516.81 : 2,098,896.22 = 724,790.73 : x
  2. Step 2: Convert to fraction form
    1,398,516.81/2,098,896.22 = 724,790.73/x
  3. Step 3: Cross multiply
    1,398,516.81x = 2,098,896.22 × 724,790.73
  4. Step 4: Simplify right side
    1,398,516.81x = 1,521,260,516,523.17
  5. Step 5: Solve for x
    x = 1,521,260,516,523.17/1,398,516.81
  6. Step 6: Final answer
    x = 1,087,767.06

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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.