Home / 1,248,261.57-1,722,649.77-731,943.63

Finding the Fourth Proportional to 1,248,261.57, 1,722,649.77 and 731,943.63

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Solution

The fourth proportional to 1,248,261.57, 1,722,649.77 and 731,943.63 is: 1,010,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,261.57 : 1,722,649.77 = 731,943.63 : x
  2. Step 2: Convert to fraction form
    1,248,261.57/1,722,649.77 = 731,943.63/x
  3. Step 3: Cross multiply
    1,248,261.57x = 1,722,649.77 × 731,943.63
  4. Step 4: Simplify right side
    1,248,261.57x = 1,260,882,525,872.47
  5. Step 5: Solve for x
    x = 1,260,882,525,872.47/1,248,261.57
  6. Step 6: Final answer
    x = 1,010,110.83

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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.