Home / 1,152,706.60-1,729,362.30-442,757.80

Finding the Fourth Proportional to 1,152,706.60, 1,729,362.30 and 442,757.80

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Solution

The fourth proportional to 1,152,706.60, 1,729,362.30 and 442,757.80 is: 664,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,706.60 : 1,729,362.30 = 442,757.80 : x
  2. Step 2: Convert to fraction form
    1,152,706.60/1,729,362.30 = 442,757.80/x
  3. Step 3: Cross multiply
    1,152,706.60x = 1,729,362.30 × 442,757.80
  4. Step 4: Simplify right side
    1,152,706.60x = 765,688,647,350.94
  5. Step 5: Solve for x
    x = 765,688,647,350.94/1,152,706.60
  6. Step 6: Final answer
    x = 664,252.85

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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.