Home / 1,041,030.20-1,561,545.30-978,044.60

Finding the Fourth Proportional to 1,041,030.20, 1,561,545.30 and 978,044.60

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Solution

The fourth proportional to 1,041,030.20, 1,561,545.30 and 978,044.60 is: 1,467,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,030.20 : 1,561,545.30 = 978,044.60 : x
  2. Step 2: Convert to fraction form
    1,041,030.20/1,561,545.30 = 978,044.60/x
  3. Step 3: Cross multiply
    1,041,030.20x = 1,561,545.30 × 978,044.60
  4. Step 4: Simplify right side
    1,041,030.20x = 1,527,260,948,320.38
  5. Step 5: Solve for x
    x = 1,527,260,948,320.38/1,041,030.20
  6. Step 6: Final answer
    x = 1,467,066.90

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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.