Home / 1,152,705.60-1,729,360.80-442,756.80

Finding the Fourth Proportional to 1,152,705.60, 1,729,360.80 and 442,756.80

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Solution

The fourth proportional to 1,152,705.60, 1,729,360.80 and 442,756.80 is: 664,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,705.60 : 1,729,360.80 = 442,756.80 : x
  2. Step 2: Convert to fraction form
    1,152,705.60/1,729,360.80 = 442,756.80/x
  3. Step 3: Cross multiply
    1,152,705.60x = 1,729,360.80 × 442,756.80
  4. Step 4: Simplify right side
    1,152,705.60x = 765,686,253,853.44
  5. Step 5: Solve for x
    x = 765,686,253,853.44/1,152,705.60
  6. Step 6: Final answer
    x = 664,251.35

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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.