Home / 1,283,377.61-1,926,958.82-715,867.52

Finding the Fourth Proportional to 1,283,377.61, 1,926,958.82 and 715,867.52

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Solution

The fourth proportional to 1,283,377.61, 1,926,958.82 and 715,867.52 is: 1,074,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,377.61 : 1,926,958.82 = 715,867.52 : x
  2. Step 2: Convert to fraction form
    1,283,377.61/1,926,958.82 = 715,867.52/x
  3. Step 3: Cross multiply
    1,283,377.61x = 1,926,958.82 × 715,867.52
  4. Step 4: Simplify right side
    1,283,377.61x = 1,379,447,218,401.39
  5. Step 5: Solve for x
    x = 1,379,447,218,401.39/1,283,377.61
  6. Step 6: Final answer
    x = 1,074,856.86

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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.