Home / 1,489,799.70-2,234,699.55-1,396,487.70

Finding the Fourth Proportional to 1,489,799.70, 2,234,699.55 and 1,396,487.70

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Solution

The fourth proportional to 1,489,799.70, 2,234,699.55 and 1,396,487.70 is: 2,094,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,799.70 : 2,234,699.55 = 1,396,487.70 : x
  2. Step 2: Convert to fraction form
    1,489,799.70/2,234,699.55 = 1,396,487.70/x
  3. Step 3: Cross multiply
    1,489,799.70x = 2,234,699.55 × 1,396,487.70
  4. Step 4: Simplify right side
    1,489,799.70x = 3,120,730,434,770.53
  5. Step 5: Solve for x
    x = 3,120,730,434,770.53/1,489,799.70
  6. Step 6: Final answer
    x = 2,094,731.55

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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.