Home / 1,197,498.80-1,796,248.20-628,660.10

Finding the Fourth Proportional to 1,197,498.80, 1,796,248.20 and 628,660.10

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Solution

The fourth proportional to 1,197,498.80, 1,796,248.20 and 628,660.10 is: 942,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,498.80 : 1,796,248.20 = 628,660.10 : x
  2. Step 2: Convert to fraction form
    1,197,498.80/1,796,248.20 = 628,660.10/x
  3. Step 3: Cross multiply
    1,197,498.80x = 1,796,248.20 × 628,660.10
  4. Step 4: Simplify right side
    1,197,498.80x = 1,129,229,573,036.82
  5. Step 5: Solve for x
    x = 1,129,229,573,036.82/1,197,498.80
  6. Step 6: Final answer
    x = 942,990.15

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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.