Home / 1,439,117.82-2,158,282.44-540,489.96

Finding the Fourth Proportional to 1,439,117.82, 2,158,282.44 and 540,489.96

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Solution

The fourth proportional to 1,439,117.82, 2,158,282.44 and 540,489.96 is: 810,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,117.82 : 2,158,282.44 = 540,489.96 : x
  2. Step 2: Convert to fraction form
    1,439,117.82/2,158,282.44 = 540,489.96/x
  3. Step 3: Cross multiply
    1,439,117.82x = 2,158,282.44 × 540,489.96
  4. Step 4: Simplify right side
    1,439,117.82x = 1,166,529,989,664.30
  5. Step 5: Solve for x
    x = 1,166,529,989,664.30/1,439,117.82
  6. Step 6: Final answer
    x = 810,586.86

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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.