Home / 1,275,052.88-1,759,531.65-702,078.32

Finding the Fourth Proportional to 1,275,052.88, 1,759,531.65 and 702,078.32

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Solution

The fourth proportional to 1,275,052.88, 1,759,531.65 and 702,078.32 is: 968,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,052.88 : 1,759,531.65 = 702,078.32 : x
  2. Step 2: Convert to fraction form
    1,275,052.88/1,759,531.65 = 702,078.32/x
  3. Step 3: Cross multiply
    1,275,052.88x = 1,759,531.65 × 702,078.32
  4. Step 4: Simplify right side
    1,275,052.88x = 1,235,329,016,021.17
  5. Step 5: Solve for x
    x = 1,235,329,016,021.17/1,275,052.88
  6. Step 6: Final answer
    x = 968,845.32

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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.