Home / 1,274,877.72-1,911,870.86-376,080.76

Finding the Fourth Proportional to 1,274,877.72, 1,911,870.86 and 376,080.76

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Solution

The fourth proportional to 1,274,877.72, 1,911,870.86 and 376,080.76 is: 563,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,877.72 : 1,911,870.86 = 376,080.76 : x
  2. Step 2: Convert to fraction form
    1,274,877.72/1,911,870.86 = 376,080.76/x
  3. Step 3: Cross multiply
    1,274,877.72x = 1,911,870.86 × 376,080.76
  4. Step 4: Simplify right side
    1,274,877.72x = 719,017,846,050.65
  5. Step 5: Solve for x
    x = 719,017,846,050.65/1,274,877.72
  6. Step 6: Final answer
    x = 563,989.66

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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.