Home / 1,121,884.28-1,548,200.22-612,587.12

Finding the Fourth Proportional to 1,121,884.28, 1,548,200.22 and 612,587.12

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Solution

The fourth proportional to 1,121,884.28, 1,548,200.22 and 612,587.12 is: 845,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,884.28 : 1,548,200.22 = 612,587.12 : x
  2. Step 2: Convert to fraction form
    1,121,884.28/1,548,200.22 = 612,587.12/x
  3. Step 3: Cross multiply
    1,121,884.28x = 1,548,200.22 × 612,587.12
  4. Step 4: Simplify right side
    1,121,884.28x = 948,407,513,953.17
  5. Step 5: Solve for x
    x = 948,407,513,953.17/1,121,884.28
  6. Step 6: Final answer
    x = 845,370.18

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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.