Home / 1,622,839.76-2,433,287.60-770,123.60

Finding the Fourth Proportional to 1,622,839.76, 2,433,287.60 and 770,123.60

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Solution

The fourth proportional to 1,622,839.76, 2,433,287.60 and 770,123.60 is: 1,154,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,839.76 : 2,433,287.60 = 770,123.60 : x
  2. Step 2: Convert to fraction form
    1,622,839.76/2,433,287.60 = 770,123.60/x
  3. Step 3: Cross multiply
    1,622,839.76x = 2,433,287.60 × 770,123.60
  4. Step 4: Simplify right side
    1,622,839.76x = 1,873,932,206,347.36
  5. Step 5: Solve for x
    x = 1,873,932,206,347.36/1,622,839.76
  6. Step 6: Final answer
    x = 1,154,724.12

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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.