Home / 1,243,472.64-1,865,208.85-344,914.43

Finding the Fourth Proportional to 1,243,472.64, 1,865,208.85 and 344,914.43

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Solution

The fourth proportional to 1,243,472.64, 1,865,208.85 and 344,914.43 is: 517,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,472.64 : 1,865,208.85 = 344,914.43 : x
  2. Step 2: Convert to fraction form
    1,243,472.64/1,865,208.85 = 344,914.43/x
  3. Step 3: Cross multiply
    1,243,472.64x = 1,865,208.85 × 344,914.43
  4. Step 4: Simplify right side
    1,243,472.64x = 643,337,437,140.38
  5. Step 5: Solve for x
    x = 643,337,437,140.38/1,243,472.64
  6. Step 6: Final answer
    x = 517,371.61

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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.