Home / 1,455,643.41-2,008,761.12-811,049.73

Finding the Fourth Proportional to 1,455,643.41, 2,008,761.12 and 811,049.73

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Solution

The fourth proportional to 1,455,643.41, 2,008,761.12 and 811,049.73 is: 1,119,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,643.41 : 2,008,761.12 = 811,049.73 : x
  2. Step 2: Convert to fraction form
    1,455,643.41/2,008,761.12 = 811,049.73/x
  3. Step 3: Cross multiply
    1,455,643.41x = 2,008,761.12 × 811,049.73
  4. Step 4: Simplify right side
    1,455,643.41x = 1,629,205,164,010.50
  5. Step 5: Solve for x
    x = 1,629,205,164,010.50/1,455,643.41
  6. Step 6: Final answer
    x = 1,119,233.70

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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.