Home / 1,305,281.80-1,955,330.70-1,149,416.20

Finding the Fourth Proportional to 1,305,281.80, 1,955,330.70 and 1,149,416.20

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Solution

The fourth proportional to 1,305,281.80, 1,955,330.70 and 1,149,416.20 is: 1,721,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,281.80 : 1,955,330.70 = 1,149,416.20 : x
  2. Step 2: Convert to fraction form
    1,305,281.80/1,955,330.70 = 1,149,416.20/x
  3. Step 3: Cross multiply
    1,305,281.80x = 1,955,330.70 × 1,149,416.20
  4. Step 4: Simplify right side
    1,305,281.80x = 2,247,488,782,937.34
  5. Step 5: Solve for x
    x = 2,247,488,782,937.34/1,305,281.80
  6. Step 6: Final answer
    x = 1,721,841.81

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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.