Home / 1,294,712.50-1,942,068.75-408,248.50

Finding the Fourth Proportional to 1,294,712.50, 1,942,068.75 and 408,248.50

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Solution

The fourth proportional to 1,294,712.50, 1,942,068.75 and 408,248.50 is: 612,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,712.50 : 1,942,068.75 = 408,248.50 : x
  2. Step 2: Convert to fraction form
    1,294,712.50/1,942,068.75 = 408,248.50/x
  3. Step 3: Cross multiply
    1,294,712.50x = 1,942,068.75 × 408,248.50
  4. Step 4: Simplify right side
    1,294,712.50x = 792,846,654,084.38
  5. Step 5: Solve for x
    x = 792,846,654,084.38/1,294,712.50
  6. Step 6: Final answer
    x = 612,372.75

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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.