Home / 993,512.32-1,489,368.67-690,049.77

Finding the Fourth Proportional to 993,512.32, 1,489,368.67 and 690,049.77

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Solution

The fourth proportional to 993,512.32, 1,489,368.67 and 690,049.77 is: 1,034,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,512.32 : 1,489,368.67 = 690,049.77 : x
  2. Step 2: Convert to fraction form
    993,512.32/1,489,368.67 = 690,049.77/x
  3. Step 3: Cross multiply
    993,512.32x = 1,489,368.67 × 690,049.77
  4. Step 4: Simplify right side
    993,512.32x = 1,027,738,500,868.45
  5. Step 5: Solve for x
    x = 1,027,738,500,868.45/993,512.32
  6. Step 6: Final answer
    x = 1,034,449.68

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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.