Home / 1,433,521.44-1,978,219.80-813,439.56

Finding the Fourth Proportional to 1,433,521.44, 1,978,219.80 and 813,439.56

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Solution

The fourth proportional to 1,433,521.44, 1,978,219.80 and 813,439.56 is: 1,122,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,521.44 : 1,978,219.80 = 813,439.56 : x
  2. Step 2: Convert to fraction form
    1,433,521.44/1,978,219.80 = 813,439.56/x
  3. Step 3: Cross multiply
    1,433,521.44x = 1,978,219.80 × 813,439.56
  4. Step 4: Simplify right side
    1,433,521.44x = 1,609,162,243,695.29
  5. Step 5: Solve for x
    x = 1,609,162,243,695.29/1,433,521.44
  6. Step 6: Final answer
    x = 1,122,524.02

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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.