Home / 1,222,382.22-1,686,803.03-678,475.22

Finding the Fourth Proportional to 1,222,382.22, 1,686,803.03 and 678,475.22

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Solution

The fourth proportional to 1,222,382.22, 1,686,803.03 and 678,475.22 is: 936,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,382.22 : 1,686,803.03 = 678,475.22 : x
  2. Step 2: Convert to fraction form
    1,222,382.22/1,686,803.03 = 678,475.22/x
  3. Step 3: Cross multiply
    1,222,382.22x = 1,686,803.03 × 678,475.22
  4. Step 4: Simplify right side
    1,222,382.22x = 1,144,454,045,049.53
  5. Step 5: Solve for x
    x = 1,144,454,045,049.53/1,222,382.22
  6. Step 6: Final answer
    x = 936,248.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.