Home / 1,275,955.70-1,760,817.90-702,995.90

Finding the Fourth Proportional to 1,275,955.70, 1,760,817.90 and 702,995.90

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Solution

The fourth proportional to 1,275,955.70, 1,760,817.90 and 702,995.90 is: 970,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,955.70 : 1,760,817.90 = 702,995.90 : x
  2. Step 2: Convert to fraction form
    1,275,955.70/1,760,817.90 = 702,995.90/x
  3. Step 3: Cross multiply
    1,275,955.70x = 1,760,817.90 × 702,995.90
  4. Step 4: Simplify right side
    1,275,955.70x = 1,237,847,764,346.61
  5. Step 5: Solve for x
    x = 1,237,847,764,346.61/1,275,955.70
  6. Step 6: Final answer
    x = 970,133.81

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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.