Home / 1,280,020.92-1,918,500.48-569,245.92

Finding the Fourth Proportional to 1,280,020.92, 1,918,500.48 and 569,245.92

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Solution

The fourth proportional to 1,280,020.92, 1,918,500.48 and 569,245.92 is: 853,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,020.92 : 1,918,500.48 = 569,245.92 : x
  2. Step 2: Convert to fraction form
    1,280,020.92/1,918,500.48 = 569,245.92/x
  3. Step 3: Cross multiply
    1,280,020.92x = 1,918,500.48 × 569,245.92
  4. Step 4: Simplify right side
    1,280,020.92x = 1,092,098,570,758.04
  5. Step 5: Solve for x
    x = 1,092,098,570,758.04/1,280,020.92
  6. Step 6: Final answer
    x = 853,188.06

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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.