Home / 993,208.80-1,489,813.20-931,000.80

Finding the Fourth Proportional to 993,208.80, 1,489,813.20 and 931,000.80

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Solution

The fourth proportional to 993,208.80, 1,489,813.20 and 931,000.80 is: 1,396,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,208.80 : 1,489,813.20 = 931,000.80 : x
  2. Step 2: Convert to fraction form
    993,208.80/1,489,813.20 = 931,000.80/x
  3. Step 3: Cross multiply
    993,208.80x = 1,489,813.20 × 931,000.80
  4. Step 4: Simplify right side
    993,208.80x = 1,387,017,281,050.56
  5. Step 5: Solve for x
    x = 1,387,017,281,050.56/993,208.80
  6. Step 6: Final answer
    x = 1,396,501.20

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Similar ratio
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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.