Home / 1,915,134.72-2,642,767.20-1,055,650.56

Finding the Fourth Proportional to 1,915,134.72, 2,642,767.20 and 1,055,650.56

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Solution

The fourth proportional to 1,915,134.72, 2,642,767.20 and 1,055,650.56 is: 1,456,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,134.72 : 2,642,767.20 = 1,055,650.56 : x
  2. Step 2: Convert to fraction form
    1,915,134.72/2,642,767.20 = 1,055,650.56/x
  3. Step 3: Cross multiply
    1,915,134.72x = 2,642,767.20 × 1,055,650.56
  4. Step 4: Simplify right side
    1,915,134.72x = 2,789,838,674,629.63
  5. Step 5: Solve for x
    x = 2,789,838,674,629.63/1,915,134.72
  6. Step 6: Final answer
    x = 1,456,732.34

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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.