Home / 1,647,310.40-2,468,200.80-804,046.40

Finding the Fourth Proportional to 1,647,310.40, 2,468,200.80 and 804,046.40

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Solution

The fourth proportional to 1,647,310.40, 2,468,200.80 and 804,046.40 is: 1,204,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,310.40 : 2,468,200.80 = 804,046.40 : x
  2. Step 2: Convert to fraction form
    1,647,310.40/2,468,200.80 = 804,046.40/x
  3. Step 3: Cross multiply
    1,647,310.40x = 2,468,200.80 × 804,046.40
  4. Step 4: Simplify right side
    1,647,310.40x = 1,984,547,967,717.12
  5. Step 5: Solve for x
    x = 1,984,547,967,717.12/1,647,310.40
  6. Step 6: Final answer
    x = 1,204,720.11

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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.