Home / 1,380,822.23-2,071,350.89-421,493.31

Finding the Fourth Proportional to 1,380,822.23, 2,071,350.89 and 421,493.31

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Solution

The fourth proportional to 1,380,822.23, 2,071,350.89 and 421,493.31 is: 632,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,822.23 : 2,071,350.89 = 421,493.31 : x
  2. Step 2: Convert to fraction form
    1,380,822.23/2,071,350.89 = 421,493.31/x
  3. Step 3: Cross multiply
    1,380,822.23x = 2,071,350.89 × 421,493.31
  4. Step 4: Simplify right side
    1,380,822.23x = 873,060,542,797.55
  5. Step 5: Solve for x
    x = 873,060,542,797.55/1,380,822.23
  6. Step 6: Final answer
    x = 632,275.85

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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.