Home / 1,094,520.70-1,641,781.05-921,310.30

Finding the Fourth Proportional to 1,094,520.70, 1,641,781.05 and 921,310.30

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Solution

The fourth proportional to 1,094,520.70, 1,641,781.05 and 921,310.30 is: 1,381,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,520.70 : 1,641,781.05 = 921,310.30 : x
  2. Step 2: Convert to fraction form
    1,094,520.70/1,641,781.05 = 921,310.30/x
  3. Step 3: Cross multiply
    1,094,520.70x = 1,641,781.05 × 921,310.30
  4. Step 4: Simplify right side
    1,094,520.70x = 1,512,589,791,709.82
  5. Step 5: Solve for x
    x = 1,512,589,791,709.82/1,094,520.70
  6. Step 6: Final answer
    x = 1,381,965.45

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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.