Home / 1,442,213.28-1,990,079.28-797,545.68

Finding the Fourth Proportional to 1,442,213.28, 1,990,079.28 and 797,545.68

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Solution

The fourth proportional to 1,442,213.28, 1,990,079.28 and 797,545.68 is: 1,100,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,213.28 : 1,990,079.28 = 797,545.68 : x
  2. Step 2: Convert to fraction form
    1,442,213.28/1,990,079.28 = 797,545.68/x
  3. Step 3: Cross multiply
    1,442,213.28x = 1,990,079.28 × 797,545.68
  4. Step 4: Simplify right side
    1,442,213.28x = 1,587,179,132,621.51
  5. Step 5: Solve for x
    x = 1,587,179,132,621.51/1,442,213.28
  6. Step 6: Final answer
    x = 1,100,516.24

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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.