Home / 1,371,487.80-2,057,231.70-485,023.80

Finding the Fourth Proportional to 1,371,487.80, 2,057,231.70 and 485,023.80

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Solution

The fourth proportional to 1,371,487.80, 2,057,231.70 and 485,023.80 is: 727,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,487.80 : 2,057,231.70 = 485,023.80 : x
  2. Step 2: Convert to fraction form
    1,371,487.80/2,057,231.70 = 485,023.80/x
  3. Step 3: Cross multiply
    1,371,487.80x = 2,057,231.70 × 485,023.80
  4. Step 4: Simplify right side
    1,371,487.80x = 997,806,336,614.46
  5. Step 5: Solve for x
    x = 997,806,336,614.46/1,371,487.80
  6. Step 6: Final answer
    x = 727,535.70

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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.