Home / 1,338,127.28-1,846,566.23-726,266.90

Finding the Fourth Proportional to 1,338,127.28, 1,846,566.23 and 726,266.90

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Solution

The fourth proportional to 1,338,127.28, 1,846,566.23 and 726,266.90 is: 1,002,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,127.28 : 1,846,566.23 = 726,266.90 : x
  2. Step 2: Convert to fraction form
    1,338,127.28/1,846,566.23 = 726,266.90/x
  3. Step 3: Cross multiply
    1,338,127.28x = 1,846,566.23 × 726,266.90
  4. Step 4: Simplify right side
    1,338,127.28x = 1,341,099,931,506.79
  5. Step 5: Solve for x
    x = 1,341,099,931,506.79/1,338,127.28
  6. Step 6: Final answer
    x = 1,002,221.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.