Home / 989,065.04-1,481,290.24-722,163.56

Finding the Fourth Proportional to 989,065.04, 1,481,290.24 and 722,163.56

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Solution

The fourth proportional to 989,065.04, 1,481,290.24 and 722,163.56 is: 1,081,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,065.04 : 1,481,290.24 = 722,163.56 : x
  2. Step 2: Convert to fraction form
    989,065.04/1,481,290.24 = 722,163.56/x
  3. Step 3: Cross multiply
    989,065.04x = 1,481,290.24 × 722,163.56
  4. Step 4: Simplify right side
    989,065.04x = 1,069,733,833,111.65
  5. Step 5: Solve for x
    x = 1,069,733,833,111.65/989,065.04
  6. Step 6: Final answer
    x = 1,081,560.66

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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.