Home / 1,121,851.47-1,548,148.91-612,550.20

Finding the Fourth Proportional to 1,121,851.47, 1,548,148.91 and 612,550.20

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Solution

The fourth proportional to 1,121,851.47, 1,548,148.91 and 612,550.20 is: 845,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,851.47 : 1,548,148.91 = 612,550.20 : x
  2. Step 2: Convert to fraction form
    1,121,851.47/1,548,148.91 = 612,550.20/x
  3. Step 3: Cross multiply
    1,121,851.47x = 1,548,148.91 × 612,550.20
  4. Step 4: Simplify right side
    1,121,851.47x = 948,318,921,387.53
  5. Step 5: Solve for x
    x = 948,318,921,387.53/1,121,851.47
  6. Step 6: Final answer
    x = 845,315.93

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1.5x scale

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.