Home / 1,215,007.20-1,675,600.56-927,994.08

Finding the Fourth Proportional to 1,215,007.20, 1,675,600.56 and 927,994.08

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Solution

The fourth proportional to 1,215,007.20, 1,675,600.56 and 927,994.08 is: 1,279,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,007.20 : 1,675,600.56 = 927,994.08 : x
  2. Step 2: Convert to fraction form
    1,215,007.20/1,675,600.56 = 927,994.08/x
  3. Step 3: Cross multiply
    1,215,007.20x = 1,675,600.56 × 927,994.08
  4. Step 4: Simplify right side
    1,215,007.20x = 1,554,947,400,124.68
  5. Step 5: Solve for x
    x = 1,554,947,400,124.68/1,215,007.20
  6. Step 6: Final answer
    x = 1,279,784.51

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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.