Home / 993,199.80-1,489,799.70-930,991.80

Finding the Fourth Proportional to 993,199.80, 1,489,799.70 and 930,991.80

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Solution

The fourth proportional to 993,199.80, 1,489,799.70 and 930,991.80 is: 1,396,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,199.80 : 1,489,799.70 = 930,991.80 : x
  2. Step 2: Convert to fraction form
    993,199.80/1,489,799.70 = 930,991.80/x
  3. Step 3: Cross multiply
    993,199.80x = 1,489,799.70 × 930,991.80
  4. Step 4: Simplify right side
    993,199.80x = 1,386,991,304,342.46
  5. Step 5: Solve for x
    x = 1,386,991,304,342.46/993,199.80
  6. Step 6: Final answer
    x = 1,396,487.70

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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.