Home / 1,294,414.20-1,941,621.30-727,543.80

Finding the Fourth Proportional to 1,294,414.20, 1,941,621.30 and 727,543.80

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Solution

The fourth proportional to 1,294,414.20, 1,941,621.30 and 727,543.80 is: 1,091,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,414.20 : 1,941,621.30 = 727,543.80 : x
  2. Step 2: Convert to fraction form
    1,294,414.20/1,941,621.30 = 727,543.80/x
  3. Step 3: Cross multiply
    1,294,414.20x = 1,941,621.30 × 727,543.80
  4. Step 4: Simplify right side
    1,294,414.20x = 1,412,614,538,762.94
  5. Step 5: Solve for x
    x = 1,412,614,538,762.94/1,294,414.20
  6. Step 6: Final answer
    x = 1,091,315.70

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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.