Home / 907,630.80-1,359,113.40-669,685.20

Finding the Fourth Proportional to 907,630.80, 1,359,113.40 and 669,685.20

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Solution

The fourth proportional to 907,630.80, 1,359,113.40 and 669,685.20 is: 1,002,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,630.80 : 1,359,113.40 = 669,685.20 : x
  2. Step 2: Convert to fraction form
    907,630.80/1,359,113.40 = 669,685.20/x
  3. Step 3: Cross multiply
    907,630.80x = 1,359,113.40 × 669,685.20
  4. Step 4: Simplify right side
    907,630.80x = 910,178,129,101.68
  5. Step 5: Solve for x
    x = 910,178,129,101.68/907,630.80
  6. Step 6: Final answer
    x = 1,002,806.57

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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.