Home / 1,330,490.04-1,996,996.80-823,517.48

Finding the Fourth Proportional to 1,330,490.04, 1,996,996.80 and 823,517.48

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Solution

The fourth proportional to 1,330,490.04, 1,996,996.80 and 823,517.48 is: 1,236,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,490.04 : 1,996,996.80 = 823,517.48 : x
  2. Step 2: Convert to fraction form
    1,330,490.04/1,996,996.80 = 823,517.48/x
  3. Step 3: Cross multiply
    1,330,490.04x = 1,996,996.80 × 823,517.48
  4. Step 4: Simplify right side
    1,330,490.04x = 1,644,561,772,304.06
  5. Step 5: Solve for x
    x = 1,644,561,772,304.06/1,330,490.04
  6. Step 6: Final answer
    x = 1,236,057.18

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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.