Home / 1,300,386.50-1,951,350.33-724,491.81

Finding the Fourth Proportional to 1,300,386.50, 1,951,350.33 and 724,491.81

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Solution

The fourth proportional to 1,300,386.50, 1,951,350.33 and 724,491.81 is: 1,087,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,386.50 : 1,951,350.33 = 724,491.81 : x
  2. Step 2: Convert to fraction form
    1,300,386.50/1,951,350.33 = 724,491.81/x
  3. Step 3: Cross multiply
    1,300,386.50x = 1,951,350.33 × 724,491.81
  4. Step 4: Simplify right side
    1,300,386.50x = 1,413,737,331,167.38
  5. Step 5: Solve for x
    x = 1,413,737,331,167.38/1,300,386.50
  6. Step 6: Final answer
    x = 1,087,167.03

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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.