Home / 1,338,955.41-2,008,449.86-392,345.49

Finding the Fourth Proportional to 1,338,955.41, 2,008,449.86 and 392,345.49

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Solution

The fourth proportional to 1,338,955.41, 2,008,449.86 and 392,345.49 is: 588,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,955.41 : 2,008,449.86 = 392,345.49 : x
  2. Step 2: Convert to fraction form
    1,338,955.41/2,008,449.86 = 392,345.49/x
  3. Step 3: Cross multiply
    1,338,955.41x = 2,008,449.86 × 392,345.49
  4. Step 4: Simplify right side
    1,338,955.41x = 788,006,242,500.40
  5. Step 5: Solve for x
    x = 788,006,242,500.40/1,338,955.41
  6. Step 6: Final answer
    x = 588,523.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.