Home / 1,264,861.92-1,897,425.80-412,000.08

Finding the Fourth Proportional to 1,264,861.92, 1,897,425.80 and 412,000.08

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Solution

The fourth proportional to 1,264,861.92, 1,897,425.80 and 412,000.08 is: 618,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,861.92 : 1,897,425.80 = 412,000.08 : x
  2. Step 2: Convert to fraction form
    1,264,861.92/1,897,425.80 = 412,000.08/x
  3. Step 3: Cross multiply
    1,264,861.92x = 1,897,425.80 × 412,000.08
  4. Step 4: Simplify right side
    1,264,861.92x = 781,739,581,394.06
  5. Step 5: Solve for x
    x = 781,739,581,394.06/1,264,861.92
  6. Step 6: Final answer
    x = 618,043.42

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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.