Home / 1,102,482.78-1,517,906.88-940,688.52

Finding the Fourth Proportional to 1,102,482.78, 1,517,906.88 and 940,688.52

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Solution

The fourth proportional to 1,102,482.78, 1,517,906.88 and 940,688.52 is: 1,295,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,482.78 : 1,517,906.88 = 940,688.52 : x
  2. Step 2: Convert to fraction form
    1,102,482.78/1,517,906.88 = 940,688.52/x
  3. Step 3: Cross multiply
    1,102,482.78x = 1,517,906.88 × 940,688.52
  4. Step 4: Simplify right side
    1,102,482.78x = 1,427,877,576,445.02
  5. Step 5: Solve for x
    x = 1,427,877,576,445.02/1,102,482.78
  6. Step 6: Final answer
    x = 1,295,147.28

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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.