Home / 1,013,861.28-1,399,107.42-554,964.60

Finding the Fourth Proportional to 1,013,861.28, 1,399,107.42 and 554,964.60

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Solution

The fourth proportional to 1,013,861.28, 1,399,107.42 and 554,964.60 is: 765,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,861.28 : 1,399,107.42 = 554,964.60 : x
  2. Step 2: Convert to fraction form
    1,013,861.28/1,399,107.42 = 554,964.60/x
  3. Step 3: Cross multiply
    1,013,861.28x = 1,399,107.42 × 554,964.60
  4. Step 4: Simplify right side
    1,013,861.28x = 776,455,089,697.33
  5. Step 5: Solve for x
    x = 776,455,089,697.33/1,013,861.28
  6. Step 6: Final answer
    x = 765,839.57

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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.