Home / 1,338,084.50-2,007,335.91-439,321.81

Finding the Fourth Proportional to 1,338,084.50, 2,007,335.91 and 439,321.81

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Solution

The fourth proportional to 1,338,084.50, 2,007,335.91 and 439,321.81 is: 659,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,084.50 : 2,007,335.91 = 439,321.81 : x
  2. Step 2: Convert to fraction form
    1,338,084.50/2,007,335.91 = 439,321.81/x
  3. Step 3: Cross multiply
    1,338,084.50x = 2,007,335.91 × 439,321.81
  4. Step 4: Simplify right side
    1,338,084.50x = 881,866,445,259.20
  5. Step 5: Solve for x
    x = 881,866,445,259.20/1,338,084.50
  6. Step 6: Final answer
    x = 659,051.39

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Double scale
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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.