Home / 1,274,878.72-1,911,872.36-376,081.76

Finding the Fourth Proportional to 1,274,878.72, 1,911,872.36 and 376,081.76

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Solution

The fourth proportional to 1,274,878.72, 1,911,872.36 and 376,081.76 is: 563,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,878.72 : 1,911,872.36 = 376,081.76 : x
  2. Step 2: Convert to fraction form
    1,274,878.72/1,911,872.36 = 376,081.76/x
  3. Step 3: Cross multiply
    1,274,878.72x = 1,911,872.36 × 376,081.76
  4. Step 4: Simplify right side
    1,274,878.72x = 719,020,322,044.15
  5. Step 5: Solve for x
    x = 719,020,322,044.15/1,274,878.72
  6. Step 6: Final answer
    x = 563,991.16

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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.