Home / 1,272,058.84-1,755,487.38-699,142.60

Finding the Fourth Proportional to 1,272,058.84, 1,755,487.38 and 699,142.60

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Solution

The fourth proportional to 1,272,058.84, 1,755,487.38 and 699,142.60 is: 964,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,058.84 : 1,755,487.38 = 699,142.60 : x
  2. Step 2: Convert to fraction form
    1,272,058.84/1,755,487.38 = 699,142.60/x
  3. Step 3: Cross multiply
    1,272,058.84x = 1,755,487.38 × 699,142.60
  4. Step 4: Simplify right side
    1,272,058.84x = 1,227,336,011,120.39
  5. Step 5: Solve for x
    x = 1,227,336,011,120.39/1,272,058.84
  6. Step 6: Final answer
    x = 964,842.17

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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.