Home / 1,223,655.04-1,687,895.66-726,601.98

Finding the Fourth Proportional to 1,223,655.04, 1,687,895.66 and 726,601.98

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Solution

The fourth proportional to 1,223,655.04, 1,687,895.66 and 726,601.98 is: 1,002,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,655.04 : 1,687,895.66 = 726,601.98 : x
  2. Step 2: Convert to fraction form
    1,223,655.04/1,687,895.66 = 726,601.98/x
  3. Step 3: Cross multiply
    1,223,655.04x = 1,687,895.66 × 726,601.98
  4. Step 4: Simplify right side
    1,223,655.04x = 1,226,428,328,589.41
  5. Step 5: Solve for x
    x = 1,226,428,328,589.41/1,223,655.04
  6. Step 6: Final answer
    x = 1,002,266.40

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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.