Home / 1,293,974.04-1,785,660.06-721,001.88

Finding the Fourth Proportional to 1,293,974.04, 1,785,660.06 and 721,001.88

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Solution

The fourth proportional to 1,293,974.04, 1,785,660.06 and 721,001.88 is: 994,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,974.04 : 1,785,660.06 = 721,001.88 : x
  2. Step 2: Convert to fraction form
    1,293,974.04/1,785,660.06 = 721,001.88/x
  3. Step 3: Cross multiply
    1,293,974.04x = 1,785,660.06 × 721,001.88
  4. Step 4: Simplify right side
    1,293,974.04x = 1,287,464,260,300.91
  5. Step 5: Solve for x
    x = 1,287,464,260,300.91/1,293,974.04
  6. Step 6: Final answer
    x = 994,969.16

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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.