Home / 1,550,815.44-2,139,864.48-862,397.04

Finding the Fourth Proportional to 1,550,815.44, 2,139,864.48 and 862,397.04

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Solution

The fourth proportional to 1,550,815.44, 2,139,864.48 and 862,397.04 is: 1,189,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,815.44 : 2,139,864.48 = 862,397.04 : x
  2. Step 2: Convert to fraction form
    1,550,815.44/2,139,864.48 = 862,397.04/x
  3. Step 3: Cross multiply
    1,550,815.44x = 2,139,864.48 × 862,397.04
  4. Step 4: Simplify right side
    1,550,815.44x = 1,845,412,793,553.14
  5. Step 5: Solve for x
    x = 1,845,412,793,553.14/1,550,815.44
  6. Step 6: Final answer
    x = 1,189,962.87

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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.