Home / 1,275,099.64-1,759,648.98-702,142.12

Finding the Fourth Proportional to 1,275,099.64, 1,759,648.98 and 702,142.12

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Solution

The fourth proportional to 1,275,099.64, 1,759,648.98 and 702,142.12 is: 968,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,099.64 : 1,759,648.98 = 702,142.12 : x
  2. Step 2: Convert to fraction form
    1,275,099.64/1,759,648.98 = 702,142.12/x
  3. Step 3: Cross multiply
    1,275,099.64x = 1,759,648.98 × 702,142.12
  4. Step 4: Simplify right side
    1,275,099.64x = 1,235,523,665,273.04
  5. Step 5: Solve for x
    x = 1,235,523,665,273.04/1,275,099.64
  6. Step 6: Final answer
    x = 968,962.45

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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.