Home / 1,323,110.16-1,982,382.60-724,502.16

Finding the Fourth Proportional to 1,323,110.16, 1,982,382.60 and 724,502.16

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Solution

The fourth proportional to 1,323,110.16, 1,982,382.60 and 724,502.16 is: 1,085,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,110.16 : 1,982,382.60 = 724,502.16 : x
  2. Step 2: Convert to fraction form
    1,323,110.16/1,982,382.60 = 724,502.16/x
  3. Step 3: Cross multiply
    1,323,110.16x = 1,982,382.60 × 724,502.16
  4. Step 4: Simplify right side
    1,323,110.16x = 1,436,240,475,646.42
  5. Step 5: Solve for x
    x = 1,436,240,475,646.42/1,323,110.16
  6. Step 6: Final answer
    x = 1,085,503.32

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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.