Home / 1,344,534.15-2,015,275.79-839,320.76

Finding the Fourth Proportional to 1,344,534.15, 2,015,275.79 and 839,320.76

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Solution

The fourth proportional to 1,344,534.15, 2,015,275.79 and 839,320.76 is: 1,258,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,534.15 : 2,015,275.79 = 839,320.76 : x
  2. Step 2: Convert to fraction form
    1,344,534.15/2,015,275.79 = 839,320.76/x
  3. Step 3: Cross multiply
    1,344,534.15x = 2,015,275.79 × 839,320.76
  4. Step 4: Simplify right side
    1,344,534.15x = 1,691,462,793,399.42
  5. Step 5: Solve for x
    x = 1,691,462,793,399.42/1,344,534.15
  6. Step 6: Final answer
    x = 1,258,028.88

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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.