Home / 1,275,406.29-1,760,056.11-702,445.14

Finding the Fourth Proportional to 1,275,406.29, 1,760,056.11 and 702,445.14

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Solution

The fourth proportional to 1,275,406.29, 1,760,056.11 and 702,445.14 is: 969,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,406.29 : 1,760,056.11 = 702,445.14 : x
  2. Step 2: Convert to fraction form
    1,275,406.29/1,760,056.11 = 702,445.14/x
  3. Step 3: Cross multiply
    1,275,406.29x = 1,760,056.11 × 702,445.14
  4. Step 4: Simplify right side
    1,275,406.29x = 1,236,342,860,596.81
  5. Step 5: Solve for x
    x = 1,236,342,860,596.81/1,275,406.29
  6. Step 6: Final answer
    x = 969,371.78

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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.