Home / 1,102,839.60-1,654,259.40-393,668.40

Finding the Fourth Proportional to 1,102,839.60, 1,654,259.40 and 393,668.40

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Solution

The fourth proportional to 1,102,839.60, 1,654,259.40 and 393,668.40 is: 590,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,839.60 : 1,654,259.40 = 393,668.40 : x
  2. Step 2: Convert to fraction form
    1,102,839.60/1,654,259.40 = 393,668.40/x
  3. Step 3: Cross multiply
    1,102,839.60x = 1,654,259.40 × 393,668.40
  4. Step 4: Simplify right side
    1,102,839.60x = 651,229,651,182.96
  5. Step 5: Solve for x
    x = 651,229,651,182.96/1,102,839.60
  6. Step 6: Final answer
    x = 590,502.60

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Double scale
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1.5x scale

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.