Home / 1,270,764.87-1,753,686.14-690,012.69

Finding the Fourth Proportional to 1,270,764.87, 1,753,686.14 and 690,012.69

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Solution

The fourth proportional to 1,270,764.87, 1,753,686.14 and 690,012.69 is: 952,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,764.87 : 1,753,686.14 = 690,012.69 : x
  2. Step 2: Convert to fraction form
    1,270,764.87/1,753,686.14 = 690,012.69/x
  3. Step 3: Cross multiply
    1,270,764.87x = 1,753,686.14 × 690,012.69
  4. Step 4: Simplify right side
    1,270,764.87x = 1,210,065,690,877.12
  5. Step 5: Solve for x
    x = 1,210,065,690,877.12/1,270,764.87
  6. Step 6: Final answer
    x = 952,234.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.