Home / 683,121.60-1,024,682.40-673,790.40

Finding the Fourth Proportional to 683,121.60, 1,024,682.40 and 673,790.40

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Solution

The fourth proportional to 683,121.60, 1,024,682.40 and 673,790.40 is: 1,010,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,121.60 : 1,024,682.40 = 673,790.40 : x
  2. Step 2: Convert to fraction form
    683,121.60/1,024,682.40 = 673,790.40/x
  3. Step 3: Cross multiply
    683,121.60x = 1,024,682.40 × 673,790.40
  4. Step 4: Simplify right side
    683,121.60x = 690,421,164,168.96
  5. Step 5: Solve for x
    x = 690,421,164,168.96/683,121.60
  6. Step 6: Final answer
    x = 1,010,685.60

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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.