Home / 1,243,474.14-1,865,211.09-344,915.93

Finding the Fourth Proportional to 1,243,474.14, 1,865,211.09 and 344,915.93

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Solution

The fourth proportional to 1,243,474.14, 1,865,211.09 and 344,915.93 is: 517,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,474.14 : 1,865,211.09 = 344,915.93 : x
  2. Step 2: Convert to fraction form
    1,243,474.14/1,865,211.09 = 344,915.93/x
  3. Step 3: Cross multiply
    1,243,474.14x = 1,865,211.09 × 344,915.93
  4. Step 4: Simplify right side
    1,243,474.14x = 643,341,008,427.61
  5. Step 5: Solve for x
    x = 643,341,008,427.61/1,243,474.14
  6. Step 6: Final answer
    x = 517,373.85

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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.