Home / 1,532,882.78-2,115,276.98-920,671.76

Finding the Fourth Proportional to 1,532,882.78, 2,115,276.98 and 920,671.76

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Solution

The fourth proportional to 1,532,882.78, 2,115,276.98 and 920,671.76 is: 1,270,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,882.78 : 2,115,276.98 = 920,671.76 : x
  2. Step 2: Convert to fraction form
    1,532,882.78/2,115,276.98 = 920,671.76/x
  3. Step 3: Cross multiply
    1,532,882.78x = 2,115,276.98 × 920,671.76
  4. Step 4: Simplify right side
    1,532,882.78x = 1,947,475,764,884.34
  5. Step 5: Solve for x
    x = 1,947,475,764,884.34/1,532,882.78
  6. Step 6: Final answer
    x = 1,270,466.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.