Home / 1,448,605.20-2,172,907.80-913,227.60

Finding the Fourth Proportional to 1,448,605.20, 2,172,907.80 and 913,227.60

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Solution

The fourth proportional to 1,448,605.20, 2,172,907.80 and 913,227.60 is: 1,369,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,605.20 : 2,172,907.80 = 913,227.60 : x
  2. Step 2: Convert to fraction form
    1,448,605.20/2,172,907.80 = 913,227.60/x
  3. Step 3: Cross multiply
    1,448,605.20x = 2,172,907.80 × 913,227.60
  4. Step 4: Simplify right side
    1,448,605.20x = 1,984,359,375,215.28
  5. Step 5: Solve for x
    x = 1,984,359,375,215.28/1,448,605.20
  6. Step 6: Final answer
    x = 1,369,841.40

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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.