Home / 747,937.78-1,039,121.89-738,969.71

Finding the Fourth Proportional to 747,937.78, 1,039,121.89 and 738,969.71

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Solution

The fourth proportional to 747,937.78, 1,039,121.89 and 738,969.71 is: 1,026,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,937.78 : 1,039,121.89 = 738,969.71 : x
  2. Step 2: Convert to fraction form
    747,937.78/1,039,121.89 = 738,969.71/x
  3. Step 3: Cross multiply
    747,937.78x = 1,039,121.89 × 738,969.71
  4. Step 4: Simplify right side
    747,937.78x = 767,879,598,013.10
  5. Step 5: Solve for x
    x = 767,879,598,013.10/747,937.78
  6. Step 6: Final answer
    x = 1,026,662.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.