Home / 1,202,155.20-1,800,370.65-695,648.43

Finding the Fourth Proportional to 1,202,155.20, 1,800,370.65 and 695,648.43

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Solution

The fourth proportional to 1,202,155.20, 1,800,370.65 and 695,648.43 is: 1,041,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,155.20 : 1,800,370.65 = 695,648.43 : x
  2. Step 2: Convert to fraction form
    1,202,155.20/1,800,370.65 = 695,648.43/x
  3. Step 3: Cross multiply
    1,202,155.20x = 1,800,370.65 × 695,648.43
  4. Step 4: Simplify right side
    1,202,155.20x = 1,252,425,016,090.58
  5. Step 5: Solve for x
    x = 1,252,425,016,090.58/1,202,155.20
  6. Step 6: Final answer
    x = 1,041,816.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.