Home / 1,121,853.22-1,548,151.32-612,551.95

Finding the Fourth Proportional to 1,121,853.22, 1,548,151.32 and 612,551.95

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Solution

The fourth proportional to 1,121,853.22, 1,548,151.32 and 612,551.95 is: 845,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,853.22 : 1,548,151.32 = 612,551.95 : x
  2. Step 2: Convert to fraction form
    1,121,853.22/1,548,151.32 = 612,551.95/x
  3. Step 3: Cross multiply
    1,121,853.22x = 1,548,151.32 × 612,551.95
  4. Step 4: Simplify right side
    1,121,853.22x = 948,323,109,961.07
  5. Step 5: Solve for x
    x = 948,323,109,961.07/1,121,853.22
  6. Step 6: Final answer
    x = 845,318.35

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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.