Home / 1,103,250.40-1,654,486.80-393,301.60

Finding the Fourth Proportional to 1,103,250.40, 1,654,486.80 and 393,301.60

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Solution

The fourth proportional to 1,103,250.40, 1,654,486.80 and 393,301.60 is: 589,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,250.40 : 1,654,486.80 = 393,301.60 : x
  2. Step 2: Convert to fraction form
    1,103,250.40/1,654,486.80 = 393,301.60/x
  3. Step 3: Cross multiply
    1,103,250.40x = 1,654,486.80 × 393,301.60
  4. Step 4: Simplify right side
    1,103,250.40x = 650,712,305,618.88
  5. Step 5: Solve for x
    x = 650,712,305,618.88/1,103,250.40
  6. Step 6: Final answer
    x = 589,813.80

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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.