Home / 1,152,750.89-1,729,209.27-442,778.96

Finding the Fourth Proportional to 1,152,750.89, 1,729,209.27 and 442,778.96

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Solution

The fourth proportional to 1,152,750.89, 1,729,209.27 and 442,778.96 is: 664,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,750.89 : 1,729,209.27 = 442,778.96 : x
  2. Step 2: Convert to fraction form
    1,152,750.89/1,729,209.27 = 442,778.96/x
  3. Step 3: Cross multiply
    1,152,750.89x = 1,729,209.27 × 442,778.96
  4. Step 4: Simplify right side
    1,152,750.89x = 765,657,482,192.96
  5. Step 5: Solve for x
    x = 765,657,482,192.96/1,152,750.89
  6. Step 6: Final answer
    x = 664,200.30

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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.