Home / 1,177,426.28-1,766,402.76-429,472.28

Finding the Fourth Proportional to 1,177,426.28, 1,766,402.76 and 429,472.28

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Solution

The fourth proportional to 1,177,426.28, 1,766,402.76 and 429,472.28 is: 644,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,426.28 : 1,766,402.76 = 429,472.28 : x
  2. Step 2: Convert to fraction form
    1,177,426.28/1,766,402.76 = 429,472.28/x
  3. Step 3: Cross multiply
    1,177,426.28x = 1,766,402.76 × 429,472.28
  4. Step 4: Simplify right side
    1,177,426.28x = 758,621,020,735.49
  5. Step 5: Solve for x
    x = 758,621,020,735.49/1,177,426.28
  6. Step 6: Final answer
    x = 644,304.47

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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.