Home / 1,275,098.64-1,759,647.60-702,141.12

Finding the Fourth Proportional to 1,275,098.64, 1,759,647.60 and 702,141.12

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Solution

The fourth proportional to 1,275,098.64, 1,759,647.60 and 702,141.12 is: 968,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,098.64 : 1,759,647.60 = 702,141.12 : x
  2. Step 2: Convert to fraction form
    1,275,098.64/1,759,647.60 = 702,141.12/x
  3. Step 3: Cross multiply
    1,275,098.64x = 1,759,647.60 × 702,141.12
  4. Step 4: Simplify right side
    1,275,098.64x = 1,235,520,936,669.31
  5. Step 5: Solve for x
    x = 1,235,520,936,669.31/1,275,098.64
  6. Step 6: Final answer
    x = 968,961.07

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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.