Home / 1,057,545.28-1,458,871.86-675,170.20

Finding the Fourth Proportional to 1,057,545.28, 1,458,871.86 and 675,170.20

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Solution

The fourth proportional to 1,057,545.28, 1,458,871.86 and 675,170.20 is: 931,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,545.28 : 1,458,871.86 = 675,170.20 : x
  2. Step 2: Convert to fraction form
    1,057,545.28/1,458,871.86 = 675,170.20/x
  3. Step 3: Cross multiply
    1,057,545.28x = 1,458,871.86 × 675,170.20
  4. Step 4: Simplify right side
    1,057,545.28x = 984,986,805,490.57
  5. Step 5: Solve for x
    x = 984,986,805,490.57/1,057,545.28
  6. Step 6: Final answer
    x = 931,389.72

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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.