Home / 755,540.02-1,127,782.22-665,862.13

Finding the Fourth Proportional to 755,540.02, 1,127,782.22 and 665,862.13

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Solution

The fourth proportional to 755,540.02, 1,127,782.22 and 665,862.13 is: 993,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,540.02 : 1,127,782.22 = 665,862.13 : x
  2. Step 2: Convert to fraction form
    755,540.02/1,127,782.22 = 665,862.13/x
  3. Step 3: Cross multiply
    755,540.02x = 1,127,782.22 × 665,862.13
  4. Step 4: Simplify right side
    755,540.02x = 750,947,471,185.33
  5. Step 5: Solve for x
    x = 750,947,471,185.33/755,540.02
  6. Step 6: Final answer
    x = 993,921.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.