Home / 945,773.60-1,418,660.40-858,682.40

Finding the Fourth Proportional to 945,773.60, 1,418,660.40 and 858,682.40

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Solution

The fourth proportional to 945,773.60, 1,418,660.40 and 858,682.40 is: 1,288,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,773.60 : 1,418,660.40 = 858,682.40 : x
  2. Step 2: Convert to fraction form
    945,773.60/1,418,660.40 = 858,682.40/x
  3. Step 3: Cross multiply
    945,773.60x = 1,418,660.40 × 858,682.40
  4. Step 4: Simplify right side
    945,773.60x = 1,218,178,717,056.96
  5. Step 5: Solve for x
    x = 1,218,178,717,056.96/945,773.60
  6. Step 6: Final answer
    x = 1,288,023.60

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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.