Home / 1,239,499.92-1,859,240.16-818,675.76

Finding the Fourth Proportional to 1,239,499.92, 1,859,240.16 and 818,675.76

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Solution

The fourth proportional to 1,239,499.92, 1,859,240.16 and 818,675.76 is: 1,228,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,499.92 : 1,859,240.16 = 818,675.76 : x
  2. Step 2: Convert to fraction form
    1,239,499.92/1,859,240.16 = 818,675.76/x
  3. Step 3: Cross multiply
    1,239,499.92x = 1,859,240.16 × 818,675.76
  4. Step 4: Simplify right side
    1,239,499.92x = 1,522,114,851,010.52
  5. Step 5: Solve for x
    x = 1,522,114,851,010.52/1,239,499.92
  6. Step 6: Final answer
    x = 1,228,007.22

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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.