Home / 1,283,377.82-1,926,959.18-715,867.73

Finding the Fourth Proportional to 1,283,377.82, 1,926,959.18 and 715,867.73

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Solution

The fourth proportional to 1,283,377.82, 1,926,959.18 and 715,867.73 is: 1,074,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,377.82 : 1,926,959.18 = 715,867.73 : x
  2. Step 2: Convert to fraction form
    1,283,377.82/1,926,959.18 = 715,867.73/x
  3. Step 3: Cross multiply
    1,283,377.82x = 1,926,959.18 × 715,867.73
  4. Step 4: Simplify right side
    1,283,377.82x = 1,379,447,880,775.13
  5. Step 5: Solve for x
    x = 1,379,447,880,775.13/1,283,377.82
  6. Step 6: Final answer
    x = 1,074,857.19

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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.