Home / 1,050,987.92-1,449,843.72-621,060.08

Finding the Fourth Proportional to 1,050,987.92, 1,449,843.72 and 621,060.08

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Solution

The fourth proportional to 1,050,987.92, 1,449,843.72 and 621,060.08 is: 856,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,987.92 : 1,449,843.72 = 621,060.08 : x
  2. Step 2: Convert to fraction form
    1,050,987.92/1,449,843.72 = 621,060.08/x
  3. Step 3: Cross multiply
    1,050,987.92x = 1,449,843.72 × 621,060.08
  4. Step 4: Simplify right side
    1,050,987.92x = 900,440,056,730.70
  5. Step 5: Solve for x
    x = 900,440,056,730.70/1,050,987.92
  6. Step 6: Final answer
    x = 856,755.86

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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.