Home / 1,747,229.80-2,620,931.10-907,421.80

Finding the Fourth Proportional to 1,747,229.80, 2,620,931.10 and 907,421.80

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Solution

The fourth proportional to 1,747,229.80, 2,620,931.10 and 907,421.80 is: 1,361,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,229.80 : 2,620,931.10 = 907,421.80 : x
  2. Step 2: Convert to fraction form
    1,747,229.80/2,620,931.10 = 907,421.80/x
  3. Step 3: Cross multiply
    1,747,229.80x = 2,620,931.10 × 907,421.80
  4. Step 4: Simplify right side
    1,747,229.80x = 2,378,290,016,437.98
  5. Step 5: Solve for x
    x = 2,378,290,016,437.98/1,747,229.80
  6. Step 6: Final answer
    x = 1,361,177.57

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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.