Home / 1,341,766.20-2,012,114.70-442,957.80

Finding the Fourth Proportional to 1,341,766.20, 2,012,114.70 and 442,957.80

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Solution

The fourth proportional to 1,341,766.20, 2,012,114.70 and 442,957.80 is: 664,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,766.20 : 2,012,114.70 = 442,957.80 : x
  2. Step 2: Convert to fraction form
    1,341,766.20/2,012,114.70 = 442,957.80/x
  3. Step 3: Cross multiply
    1,341,766.20x = 2,012,114.70 × 442,957.80
  4. Step 4: Simplify right side
    1,341,766.20x = 891,281,900,859.66
  5. Step 5: Solve for x
    x = 891,281,900,859.66/1,341,766.20
  6. Step 6: Final answer
    x = 664,260.21

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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.