Home / 1,243,449.82-1,715,960.33-692,153.55

Finding the Fourth Proportional to 1,243,449.82, 1,715,960.33 and 692,153.55

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Solution

The fourth proportional to 1,243,449.82, 1,715,960.33 and 692,153.55 is: 955,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,449.82 : 1,715,960.33 = 692,153.55 : x
  2. Step 2: Convert to fraction form
    1,243,449.82/1,715,960.33 = 692,153.55/x
  3. Step 3: Cross multiply
    1,243,449.82x = 1,715,960.33 × 692,153.55
  4. Step 4: Simplify right side
    1,243,449.82x = 1,187,708,034,068.67
  5. Step 5: Solve for x
    x = 1,187,708,034,068.67/1,243,449.82
  6. Step 6: Final answer
    x = 955,171.66

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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.