Home / 1,511,772.30-2,086,248.65-823,442.04

Finding the Fourth Proportional to 1,511,772.30, 2,086,248.65 and 823,442.04

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Solution

The fourth proportional to 1,511,772.30, 2,086,248.65 and 823,442.04 is: 1,136,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,772.30 : 2,086,248.65 = 823,442.04 : x
  2. Step 2: Convert to fraction form
    1,511,772.30/2,086,248.65 = 823,442.04/x
  3. Step 3: Cross multiply
    1,511,772.30x = 2,086,248.65 × 823,442.04
  4. Step 4: Simplify right side
    1,511,772.30x = 1,717,904,840,186.04
  5. Step 5: Solve for x
    x = 1,717,904,840,186.04/1,511,772.30
  6. Step 6: Final answer
    x = 1,136,351.58

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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.