Home / 1,296,874.71-1,789,680.21-753,144.15

Finding the Fourth Proportional to 1,296,874.71, 1,789,680.21 and 753,144.15

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Solution

The fourth proportional to 1,296,874.71, 1,789,680.21 and 753,144.15 is: 1,039,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,874.71 : 1,789,680.21 = 753,144.15 : x
  2. Step 2: Convert to fraction form
    1,296,874.71/1,789,680.21 = 753,144.15/x
  3. Step 3: Cross multiply
    1,296,874.71x = 1,789,680.21 × 753,144.15
  4. Step 4: Simplify right side
    1,296,874.71x = 1,347,887,180,532.27
  5. Step 5: Solve for x
    x = 1,347,887,180,532.27/1,296,874.71
  6. Step 6: Final answer
    x = 1,039,334.93

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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.