Home / 993,175.80-1,489,763.70-930,967.80

Finding the Fourth Proportional to 993,175.80, 1,489,763.70 and 930,967.80

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Solution

The fourth proportional to 993,175.80, 1,489,763.70 and 930,967.80 is: 1,396,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,175.80 : 1,489,763.70 = 930,967.80 : x
  2. Step 2: Convert to fraction form
    993,175.80/1,489,763.70 = 930,967.80/x
  3. Step 3: Cross multiply
    993,175.80x = 1,489,763.70 × 930,967.80
  4. Step 4: Simplify right side
    993,175.80x = 1,386,922,034,308.86
  5. Step 5: Solve for x
    x = 1,386,922,034,308.86/993,175.80
  6. Step 6: Final answer
    x = 1,396,451.70

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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.