Home / 1,339,470.53-1,850,071.97-976,311.89

Finding the Fourth Proportional to 1,339,470.53, 1,850,071.97 and 976,311.89

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Solution

The fourth proportional to 1,339,470.53, 1,850,071.97 and 976,311.89 is: 1,348,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,470.53 : 1,850,071.97 = 976,311.89 : x
  2. Step 2: Convert to fraction form
    1,339,470.53/1,850,071.97 = 976,311.89/x
  3. Step 3: Cross multiply
    1,339,470.53x = 1,850,071.97 × 976,311.89
  4. Step 4: Simplify right side
    1,339,470.53x = 1,806,247,256,785.16
  5. Step 5: Solve for x
    x = 1,806,247,256,785.16/1,339,470.53
  6. Step 6: Final answer
    x = 1,348,478.53

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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.