Home / 1,012,247.10-1,516,621.05-657,078.30

Finding the Fourth Proportional to 1,012,247.10, 1,516,621.05 and 657,078.30

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Solution

The fourth proportional to 1,012,247.10, 1,516,621.05 and 657,078.30 is: 984,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,247.10 : 1,516,621.05 = 657,078.30 : x
  2. Step 2: Convert to fraction form
    1,012,247.10/1,516,621.05 = 657,078.30/x
  3. Step 3: Cross multiply
    1,012,247.10x = 1,516,621.05 × 657,078.30
  4. Step 4: Simplify right side
    1,012,247.10x = 996,538,781,278.22
  5. Step 5: Solve for x
    x = 996,538,781,278.22/1,012,247.10
  6. Step 6: Final answer
    x = 984,481.74

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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.