Home / 1,243,700.40-1,866,472.20-496,282.80

Finding the Fourth Proportional to 1,243,700.40, 1,866,472.20 and 496,282.80

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Solution

The fourth proportional to 1,243,700.40, 1,866,472.20 and 496,282.80 is: 744,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,700.40 : 1,866,472.20 = 496,282.80 : x
  2. Step 2: Convert to fraction form
    1,243,700.40/1,866,472.20 = 496,282.80/x
  3. Step 3: Cross multiply
    1,243,700.40x = 1,866,472.20 × 496,282.80
  4. Step 4: Simplify right side
    1,243,700.40x = 926,298,049,538.16
  5. Step 5: Solve for x
    x = 926,298,049,538.16/1,243,700.40
  6. Step 6: Final answer
    x = 744,791.95

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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.