Home / 1,222,232.62-1,686,668.26-678,373.10

Finding the Fourth Proportional to 1,222,232.62, 1,686,668.26 and 678,373.10

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Solution

The fourth proportional to 1,222,232.62, 1,686,668.26 and 678,373.10 is: 936,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,232.62 : 1,686,668.26 = 678,373.10 : x
  2. Step 2: Convert to fraction form
    1,222,232.62/1,686,668.26 = 678,373.10/x
  3. Step 3: Cross multiply
    1,222,232.62x = 1,686,668.26 × 678,373.10
  4. Step 4: Simplify right side
    1,222,232.62x = 1,144,190,376,207.81
  5. Step 5: Solve for x
    x = 1,144,190,376,207.81/1,222,232.62
  6. Step 6: Final answer
    x = 936,147.80

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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.