Home / 1,222,886.08-1,687,587.12-679,022.88

Finding the Fourth Proportional to 1,222,886.08, 1,687,587.12 and 679,022.88

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Solution

The fourth proportional to 1,222,886.08, 1,687,587.12 and 679,022.88 is: 937,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,886.08 : 1,687,587.12 = 679,022.88 : x
  2. Step 2: Convert to fraction form
    1,222,886.08/1,687,587.12 = 679,022.88/x
  3. Step 3: Cross multiply
    1,222,886.08x = 1,687,587.12 × 679,022.88
  4. Step 4: Simplify right side
    1,222,886.08x = 1,145,910,266,473.31
  5. Step 5: Solve for x
    x = 1,145,910,266,473.31/1,222,886.08
  6. Step 6: Final answer
    x = 937,053.98

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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.