Home / 1,196,724.78-1,651,316.83-687,427.16

Finding the Fourth Proportional to 1,196,724.78, 1,651,316.83 and 687,427.16

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Solution

The fourth proportional to 1,196,724.78, 1,651,316.83 and 687,427.16 is: 948,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,724.78 : 1,651,316.83 = 687,427.16 : x
  2. Step 2: Convert to fraction form
    1,196,724.78/1,651,316.83 = 687,427.16/x
  3. Step 3: Cross multiply
    1,196,724.78x = 1,651,316.83 × 687,427.16
  4. Step 4: Simplify right side
    1,196,724.78x = 1,135,160,028,731.95
  5. Step 5: Solve for x
    x = 1,135,160,028,731.95/1,196,724.78
  6. Step 6: Final answer
    x = 948,555.63

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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.