Home / 1,122,275.25-1,548,739.85-612,978.84

Finding the Fourth Proportional to 1,122,275.25, 1,548,739.85 and 612,978.84

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Solution

The fourth proportional to 1,122,275.25, 1,548,739.85 and 612,978.84 is: 845,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,275.25 : 1,548,739.85 = 612,978.84 : x
  2. Step 2: Convert to fraction form
    1,122,275.25/1,548,739.85 = 612,978.84/x
  3. Step 3: Cross multiply
    1,122,275.25x = 1,548,739.85 × 612,978.84
  4. Step 4: Simplify right side
    1,122,275.25x = 949,344,753,649.88
  5. Step 5: Solve for x
    x = 949,344,753,649.88/1,122,275.25
  6. Step 6: Final answer
    x = 845,910.80

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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.