Home / 1,926,489.60-2,889,744-789,872.64

Finding the Fourth Proportional to 1,926,489.60, 2,889,744 and 789,872.64

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Solution

The fourth proportional to 1,926,489.60, 2,889,744 and 789,872.64 is: 1,184,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,489.60 : 2,889,744 = 789,872.64 : x
  2. Step 2: Convert to fraction form
    1,926,489.60/2,889,744 = 789,872.64/x
  3. Step 3: Cross multiply
    1,926,489.60x = 2,889,744 × 789,872.64
  4. Step 4: Simplify right side
    1,926,489.60x = 2,282,529,722,204.16
  5. Step 5: Solve for x
    x = 2,282,529,722,204.16/1,926,489.60
  6. Step 6: Final answer
    x = 1,184,812.90

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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.