Home / 1,228,900.86-1,844,187.21-754,137.18

Finding the Fourth Proportional to 1,228,900.86, 1,844,187.21 and 754,137.18

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Solution

The fourth proportional to 1,228,900.86, 1,844,187.21 and 754,137.18 is: 1,131,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,900.86 : 1,844,187.21 = 754,137.18 : x
  2. Step 2: Convert to fraction form
    1,228,900.86/1,844,187.21 = 754,137.18/x
  3. Step 3: Cross multiply
    1,228,900.86x = 1,844,187.21 × 754,137.18
  4. Step 4: Simplify right side
    1,228,900.86x = 1,390,770,141,941.47
  5. Step 5: Solve for x
    x = 1,390,770,141,941.47/1,228,900.86
  6. Step 6: Final answer
    x = 1,131,718.75

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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.