Home / 1,443,883.20-2,165,228.16-545,172.48

Finding the Fourth Proportional to 1,443,883.20, 2,165,228.16 and 545,172.48

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Solution

The fourth proportional to 1,443,883.20, 2,165,228.16 and 545,172.48 is: 817,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,883.20 : 2,165,228.16 = 545,172.48 : x
  2. Step 2: Convert to fraction form
    1,443,883.20/2,165,228.16 = 545,172.48/x
  3. Step 3: Cross multiply
    1,443,883.20x = 2,165,228.16 × 545,172.48
  4. Step 4: Simplify right side
    1,443,883.20x = 1,180,422,805,753.04
  5. Step 5: Solve for x
    x = 1,180,422,805,753.04/1,443,883.20
  6. Step 6: Final answer
    x = 817,533.44

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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.