Home / 907,738.80-1,359,275.40-669,793.20

Finding the Fourth Proportional to 907,738.80, 1,359,275.40 and 669,793.20

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Solution

The fourth proportional to 907,738.80, 1,359,275.40 and 669,793.20 is: 1,002,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,738.80 : 1,359,275.40 = 669,793.20 : x
  2. Step 2: Convert to fraction form
    907,738.80/1,359,275.40 = 669,793.20/x
  3. Step 3: Cross multiply
    907,738.80x = 1,359,275.40 × 669,793.20
  4. Step 4: Simplify right side
    907,738.80x = 910,433,419,847.28
  5. Step 5: Solve for x
    x = 910,433,419,847.28/907,738.80
  6. Step 6: Final answer
    x = 1,002,968.50

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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.