Home / 1,274,857.71-1,911,840.85-376,060.78

Finding the Fourth Proportional to 1,274,857.71, 1,911,840.85 and 376,060.78

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Solution

The fourth proportional to 1,274,857.71, 1,911,840.85 and 376,060.78 is: 563,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,857.71 : 1,911,840.85 = 376,060.78 : x
  2. Step 2: Convert to fraction form
    1,274,857.71/1,911,840.85 = 376,060.78/x
  3. Step 3: Cross multiply
    1,274,857.71x = 1,911,840.85 × 376,060.78
  4. Step 4: Simplify right side
    1,274,857.71x = 718,968,361,286.86
  5. Step 5: Solve for x
    x = 718,968,361,286.86/1,274,857.71
  6. Step 6: Final answer
    x = 563,959.69

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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.