Home / 1,134,279.20-1,699,319.60-661,191.20

Finding the Fourth Proportional to 1,134,279.20, 1,699,319.60 and 661,191.20

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Solution

The fourth proportional to 1,134,279.20, 1,699,319.60 and 661,191.20 is: 990,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,279.20 : 1,699,319.60 = 661,191.20 : x
  2. Step 2: Convert to fraction form
    1,134,279.20/1,699,319.60 = 661,191.20/x
  3. Step 3: Cross multiply
    1,134,279.20x = 1,699,319.60 × 661,191.20
  4. Step 4: Simplify right side
    1,134,279.20x = 1,123,575,165,507.52
  5. Step 5: Solve for x
    x = 1,123,575,165,507.52/1,134,279.20
  6. Step 6: Final answer
    x = 990,563.14

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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.