Home / 1,270,734.47-1,901,337.46-756,518.75

Finding the Fourth Proportional to 1,270,734.47, 1,901,337.46 and 756,518.75

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Solution

The fourth proportional to 1,270,734.47, 1,901,337.46 and 756,518.75 is: 1,131,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,734.47 : 1,901,337.46 = 756,518.75 : x
  2. Step 2: Convert to fraction form
    1,270,734.47/1,901,337.46 = 756,518.75/x
  3. Step 3: Cross multiply
    1,270,734.47x = 1,901,337.46 × 756,518.75
  4. Step 4: Simplify right side
    1,270,734.47x = 1,438,397,441,429.42
  5. Step 5: Solve for x
    x = 1,438,397,441,429.42/1,270,734.47
  6. Step 6: Final answer
    x = 1,131,941.78

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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.