Home / 1,226,781.22-1,692,839.34-904,664.74

Finding the Fourth Proportional to 1,226,781.22, 1,692,839.34 and 904,664.74

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Solution

The fourth proportional to 1,226,781.22, 1,692,839.34 and 904,664.74 is: 1,248,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,781.22 : 1,692,839.34 = 904,664.74 : x
  2. Step 2: Convert to fraction form
    1,226,781.22/1,692,839.34 = 904,664.74/x
  3. Step 3: Cross multiply
    1,226,781.22x = 1,692,839.34 × 904,664.74
  4. Step 4: Simplify right side
    1,226,781.22x = 1,531,452,061,382.87
  5. Step 5: Solve for x
    x = 1,531,452,061,382.87/1,226,781.22
  6. Step 6: Final answer
    x = 1,248,349.78

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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.