Home / 1,243,474.52-1,865,211.66-344,916.29

Finding the Fourth Proportional to 1,243,474.52, 1,865,211.66 and 344,916.29

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Solution

The fourth proportional to 1,243,474.52, 1,865,211.66 and 344,916.29 is: 517,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,474.52 : 1,865,211.66 = 344,916.29 : x
  2. Step 2: Convert to fraction form
    1,243,474.52/1,865,211.66 = 344,916.29/x
  3. Step 3: Cross multiply
    1,243,474.52x = 1,865,211.66 × 344,916.29
  4. Step 4: Simplify right side
    1,243,474.52x = 643,341,890,494.97
  5. Step 5: Solve for x
    x = 643,341,890,494.97/1,243,474.52
  6. Step 6: Final answer
    x = 517,374.41

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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.