Home / 1,371,220.12-2,058,156.96-661,747.60

Finding the Fourth Proportional to 1,371,220.12, 2,058,156.96 and 661,747.60

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Solution

The fourth proportional to 1,371,220.12, 2,058,156.96 and 661,747.60 is: 993,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,220.12 : 2,058,156.96 = 661,747.60 : x
  2. Step 2: Convert to fraction form
    1,371,220.12/2,058,156.96 = 661,747.60/x
  3. Step 3: Cross multiply
    1,371,220.12x = 2,058,156.96 × 661,747.60
  4. Step 4: Simplify right side
    1,371,220.12x = 1,361,980,428,703.30
  5. Step 5: Solve for x
    x = 1,361,980,428,703.30/1,371,220.12
  6. Step 6: Final answer
    x = 993,261.70

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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.