Home / 993,204.30-1,489,806.45-930,996.30

Finding the Fourth Proportional to 993,204.30, 1,489,806.45 and 930,996.30

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Solution

The fourth proportional to 993,204.30, 1,489,806.45 and 930,996.30 is: 1,396,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,204.30 : 1,489,806.45 = 930,996.30 : x
  2. Step 2: Convert to fraction form
    993,204.30/1,489,806.45 = 930,996.30/x
  3. Step 3: Cross multiply
    993,204.30x = 1,489,806.45 × 930,996.30
  4. Step 4: Simplify right side
    993,204.30x = 1,387,004,292,666.14
  5. Step 5: Solve for x
    x = 1,387,004,292,666.14/993,204.30
  6. Step 6: Final answer
    x = 1,396,494.45

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Double scale
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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.