Home / 1,102,904.20-1,654,550.70-393,344.20

Finding the Fourth Proportional to 1,102,904.20, 1,654,550.70 and 393,344.20

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Solution

The fourth proportional to 1,102,904.20, 1,654,550.70 and 393,344.20 is: 590,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,904.20 : 1,654,550.70 = 393,344.20 : x
  2. Step 2: Convert to fraction form
    1,102,904.20/1,654,550.70 = 393,344.20/x
  3. Step 3: Cross multiply
    1,102,904.20x = 1,654,550.70 × 393,344.20
  4. Step 4: Simplify right side
    1,102,904.20x = 650,807,921,450.94
  5. Step 5: Solve for x
    x = 650,807,921,450.94/1,102,904.20
  6. Step 6: Final answer
    x = 590,085.63

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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.