Home / 1,339,470.41-1,850,071.80-976,311.77

Finding the Fourth Proportional to 1,339,470.41, 1,850,071.80 and 976,311.77

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Solution

The fourth proportional to 1,339,470.41, 1,850,071.80 and 976,311.77 is: 1,348,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,470.41 : 1,850,071.80 = 976,311.77 : x
  2. Step 2: Convert to fraction form
    1,339,470.41/1,850,071.80 = 976,311.77/x
  3. Step 3: Cross multiply
    1,339,470.41x = 1,850,071.80 × 976,311.77
  4. Step 4: Simplify right side
    1,339,470.41x = 1,806,246,873,685.09
  5. Step 5: Solve for x
    x = 1,806,246,873,685.09/1,339,470.41
  6. Step 6: Final answer
    x = 1,348,478.37

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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.