Home / 1,202,156.20-1,800,372.15-695,649.43

Finding the Fourth Proportional to 1,202,156.20, 1,800,372.15 and 695,649.43

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Solution

The fourth proportional to 1,202,156.20, 1,800,372.15 and 695,649.43 is: 1,041,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,156.20 : 1,800,372.15 = 695,649.43 : x
  2. Step 2: Convert to fraction form
    1,202,156.20/1,800,372.15 = 695,649.43/x
  3. Step 3: Cross multiply
    1,202,156.20x = 1,800,372.15 × 695,649.43
  4. Step 4: Simplify right side
    1,202,156.20x = 1,252,427,859,935.37
  5. Step 5: Solve for x
    x = 1,252,427,859,935.37/1,202,156.20
  6. Step 6: Final answer
    x = 1,041,817.91

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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.