Home / 1,349,044.92-1,861,788.15-768,292.56

Finding the Fourth Proportional to 1,349,044.92, 1,861,788.15 and 768,292.56

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Solution

The fourth proportional to 1,349,044.92, 1,861,788.15 and 768,292.56 is: 1,060,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,044.92 : 1,861,788.15 = 768,292.56 : x
  2. Step 2: Convert to fraction form
    1,349,044.92/1,861,788.15 = 768,292.56/x
  3. Step 3: Cross multiply
    1,349,044.92x = 1,861,788.15 × 768,292.56
  4. Step 4: Simplify right side
    1,349,044.92x = 1,430,397,983,941.16
  5. Step 5: Solve for x
    x = 1,430,397,983,941.16/1,349,044.92
  6. Step 6: Final answer
    x = 1,060,304.19

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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.