Home / 1,557,309.96-2,148,584.52-868,870.20

Finding the Fourth Proportional to 1,557,309.96, 2,148,584.52 and 868,870.20

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Solution

The fourth proportional to 1,557,309.96, 2,148,584.52 and 868,870.20 is: 1,198,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,309.96 : 2,148,584.52 = 868,870.20 : x
  2. Step 2: Convert to fraction form
    1,557,309.96/2,148,584.52 = 868,870.20/x
  3. Step 3: Cross multiply
    1,557,309.96x = 2,148,584.52 × 868,870.20
  4. Step 4: Simplify right side
    1,557,309.96x = 1,866,841,061,609.30
  5. Step 5: Solve for x
    x = 1,866,841,061,609.30/1,557,309.96
  6. Step 6: Final answer
    x = 1,198,760.11

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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.