Home / 2,287,826.80-3,157,095.28-1,255,308.88

Finding the Fourth Proportional to 2,287,826.80, 3,157,095.28 and 1,255,308.88

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Solution

The fourth proportional to 2,287,826.80, 3,157,095.28 and 1,255,308.88 is: 1,732,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,826.80 : 3,157,095.28 = 1,255,308.88 : x
  2. Step 2: Convert to fraction form
    2,287,826.80/3,157,095.28 = 1,255,308.88/x
  3. Step 3: Cross multiply
    2,287,826.80x = 3,157,095.28 × 1,255,308.88
  4. Step 4: Simplify right side
    2,287,826.80x = 3,963,129,739,990.09
  5. Step 5: Solve for x
    x = 3,963,129,739,990.09/2,287,826.80
  6. Step 6: Final answer
    x = 1,732,268.26

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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.