Home / 938,605.38-1,395,833.88-908,711.52

Finding the Fourth Proportional to 938,605.38, 1,395,833.88 and 908,711.52

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Solution

The fourth proportional to 938,605.38, 1,395,833.88 and 908,711.52 is: 1,351,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,605.38 : 1,395,833.88 = 908,711.52 : x
  2. Step 2: Convert to fraction form
    938,605.38/1,395,833.88 = 908,711.52/x
  3. Step 3: Cross multiply
    938,605.38x = 1,395,833.88 × 908,711.52
  4. Step 4: Simplify right side
    938,605.38x = 1,268,410,326,762.30
  5. Step 5: Solve for x
    x = 1,268,410,326,762.30/938,605.38
  6. Step 6: Final answer
    x = 1,351,377.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.