Home / 1,275,861.84-1,760,734.56-702,945.60

Finding the Fourth Proportional to 1,275,861.84, 1,760,734.56 and 702,945.60

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Solution

The fourth proportional to 1,275,861.84, 1,760,734.56 and 702,945.60 is: 970,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,861.84 : 1,760,734.56 = 702,945.60 : x
  2. Step 2: Convert to fraction form
    1,275,861.84/1,760,734.56 = 702,945.60/x
  3. Step 3: Cross multiply
    1,275,861.84x = 1,760,734.56 × 702,945.60
  4. Step 4: Simplify right side
    1,275,861.84x = 1,237,700,611,719.94
  5. Step 5: Solve for x
    x = 1,237,700,611,719.94/1,275,861.84
  6. Step 6: Final answer
    x = 970,089.84

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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.