Home / 993,176.80-1,489,765.20-930,968.80

Finding the Fourth Proportional to 993,176.80, 1,489,765.20 and 930,968.80

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Solution

The fourth proportional to 993,176.80, 1,489,765.20 and 930,968.80 is: 1,396,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,176.80 : 1,489,765.20 = 930,968.80 : x
  2. Step 2: Convert to fraction form
    993,176.80/1,489,765.20 = 930,968.80/x
  3. Step 3: Cross multiply
    993,176.80x = 1,489,765.20 × 930,968.80
  4. Step 4: Simplify right side
    993,176.80x = 1,386,924,920,525.76
  5. Step 5: Solve for x
    x = 1,386,924,920,525.76/993,176.80
  6. Step 6: Final answer
    x = 1,396,453.20

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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.