Home / 1,278,565.44-1,917,516.06-379,795.92

Finding the Fourth Proportional to 1,278,565.44, 1,917,516.06 and 379,795.92

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Solution

The fourth proportional to 1,278,565.44, 1,917,516.06 and 379,795.92 is: 569,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,565.44 : 1,917,516.06 = 379,795.92 : x
  2. Step 2: Convert to fraction form
    1,278,565.44/1,917,516.06 = 379,795.92/x
  3. Step 3: Cross multiply
    1,278,565.44x = 1,917,516.06 × 379,795.92
  4. Step 4: Simplify right side
    1,278,565.44x = 728,264,776,122.48
  5. Step 5: Solve for x
    x = 728,264,776,122.48/1,278,565.44
  6. Step 6: Final answer
    x = 569,595.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.