Home / 1,072,139.20-1,615,915.28-924,165.44

Finding the Fourth Proportional to 1,072,139.20, 1,615,915.28 and 924,165.44

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Solution

The fourth proportional to 1,072,139.20, 1,615,915.28 and 924,165.44 is: 1,392,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,139.20 : 1,615,915.28 = 924,165.44 : x
  2. Step 2: Convert to fraction form
    1,072,139.20/1,615,915.28 = 924,165.44/x
  3. Step 3: Cross multiply
    1,072,139.20x = 1,615,915.28 × 924,165.44
  4. Step 4: Simplify right side
    1,072,139.20x = 1,493,373,055,743.92
  5. Step 5: Solve for x
    x = 1,493,373,055,743.92/1,072,139.20
  6. Step 6: Final answer
    x = 1,392,891.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.