Home / 1,120,188.52-1,545,952.64-636,905.80

Finding the Fourth Proportional to 1,120,188.52, 1,545,952.64 and 636,905.80

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Solution

The fourth proportional to 1,120,188.52, 1,545,952.64 and 636,905.80 is: 878,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,188.52 : 1,545,952.64 = 636,905.80 : x
  2. Step 2: Convert to fraction form
    1,120,188.52/1,545,952.64 = 636,905.80/x
  3. Step 3: Cross multiply
    1,120,188.52x = 1,545,952.64 × 636,905.80
  4. Step 4: Simplify right side
    1,120,188.52x = 984,626,202,941.31
  5. Step 5: Solve for x
    x = 984,626,202,941.31/1,120,188.52
  6. Step 6: Final answer
    x = 878,982.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.