Home / 814,497.80-1,221,746.70-751,512.20

Finding the Fourth Proportional to 814,497.80, 1,221,746.70 and 751,512.20

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Solution

The fourth proportional to 814,497.80, 1,221,746.70 and 751,512.20 is: 1,127,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,497.80 : 1,221,746.70 = 751,512.20 : x
  2. Step 2: Convert to fraction form
    814,497.80/1,221,746.70 = 751,512.20/x
  3. Step 3: Cross multiply
    814,497.80x = 1,221,746.70 × 751,512.20
  4. Step 4: Simplify right side
    814,497.80x = 918,157,550,359.74
  5. Step 5: Solve for x
    x = 918,157,550,359.74/814,497.80
  6. Step 6: Final answer
    x = 1,127,268.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.