Home / 1,127,883.20-1,691,901.60-329,163.20

Finding the Fourth Proportional to 1,127,883.20, 1,691,901.60 and 329,163.20

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Solution

The fourth proportional to 1,127,883.20, 1,691,901.60 and 329,163.20 is: 493,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,883.20 : 1,691,901.60 = 329,163.20 : x
  2. Step 2: Convert to fraction form
    1,127,883.20/1,691,901.60 = 329,163.20/x
  3. Step 3: Cross multiply
    1,127,883.20x = 1,691,901.60 × 329,163.20
  4. Step 4: Simplify right side
    1,127,883.20x = 556,911,744,741.12
  5. Step 5: Solve for x
    x = 556,911,744,741.12/1,127,883.20
  6. Step 6: Final answer
    x = 493,767.21

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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.