Home / 934,391.72-1,400,431.20-664,089.06

Finding the Fourth Proportional to 934,391.72, 1,400,431.20 and 664,089.06

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Solution

The fourth proportional to 934,391.72, 1,400,431.20 and 664,089.06 is: 995,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,391.72 : 1,400,431.20 = 664,089.06 : x
  2. Step 2: Convert to fraction form
    934,391.72/1,400,431.20 = 664,089.06/x
  3. Step 3: Cross multiply
    934,391.72x = 1,400,431.20 × 664,089.06
  4. Step 4: Simplify right side
    934,391.72x = 930,011,039,202.67
  5. Step 5: Solve for x
    x = 930,011,039,202.67/934,391.72
  6. Step 6: Final answer
    x = 995,311.73

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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.