Home / 1,371,484.80-2,057,227.20-485,020.80

Finding the Fourth Proportional to 1,371,484.80, 2,057,227.20 and 485,020.80

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Solution

The fourth proportional to 1,371,484.80, 2,057,227.20 and 485,020.80 is: 727,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,484.80 : 2,057,227.20 = 485,020.80 : x
  2. Step 2: Convert to fraction form
    1,371,484.80/2,057,227.20 = 485,020.80/x
  3. Step 3: Cross multiply
    1,371,484.80x = 2,057,227.20 × 485,020.80
  4. Step 4: Simplify right side
    1,371,484.80x = 997,797,982,325.76
  5. Step 5: Solve for x
    x = 997,797,982,325.76/1,371,484.80
  6. Step 6: Final answer
    x = 727,531.20

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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.