Home / 1,230,135.30-1,845,202.95-755,280.90

Finding the Fourth Proportional to 1,230,135.30, 1,845,202.95 and 755,280.90

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Solution

The fourth proportional to 1,230,135.30, 1,845,202.95 and 755,280.90 is: 1,132,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,135.30 : 1,845,202.95 = 755,280.90 : x
  2. Step 2: Convert to fraction form
    1,230,135.30/1,845,202.95 = 755,280.90/x
  3. Step 3: Cross multiply
    1,230,135.30x = 1,845,202.95 × 755,280.90
  4. Step 4: Simplify right side
    1,230,135.30x = 1,393,646,544,758.66
  5. Step 5: Solve for x
    x = 1,393,646,544,758.66/1,230,135.30
  6. Step 6: Final answer
    x = 1,132,921.35

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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.