Home / 1,206,718.88-1,810,840.80-674,589.38

Finding the Fourth Proportional to 1,206,718.88, 1,810,840.80 and 674,589.38

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Solution

The fourth proportional to 1,206,718.88, 1,810,840.80 and 674,589.38 is: 1,012,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,718.88 : 1,810,840.80 = 674,589.38 : x
  2. Step 2: Convert to fraction form
    1,206,718.88/1,810,840.80 = 674,589.38/x
  3. Step 3: Cross multiply
    1,206,718.88x = 1,810,840.80 × 674,589.38
  4. Step 4: Simplify right side
    1,206,718.88x = 1,221,573,972,550.70
  5. Step 5: Solve for x
    x = 1,221,573,972,550.70/1,206,718.88
  6. Step 6: Final answer
    x = 1,012,310.32

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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.