Home / 2,265,289.80-3,125,646.76-1,298,723.28

Finding the Fourth Proportional to 2,265,289.80, 3,125,646.76 and 1,298,723.28

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Solution

The fourth proportional to 2,265,289.80, 3,125,646.76 and 1,298,723.28 is: 1,791,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,289.80 : 3,125,646.76 = 1,298,723.28 : x
  2. Step 2: Convert to fraction form
    2,265,289.80/3,125,646.76 = 1,298,723.28/x
  3. Step 3: Cross multiply
    2,265,289.80x = 3,125,646.76 × 1,298,723.28
  4. Step 4: Simplify right side
    2,265,289.80x = 4,059,350,212,268.57
  5. Step 5: Solve for x
    x = 4,059,350,212,268.57/2,265,289.80
  6. Step 6: Final answer
    x = 1,791,978.32

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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.