Home / 1,402,736.76-2,104,416.18-405,388.92

Finding the Fourth Proportional to 1,402,736.76, 2,104,416.18 and 405,388.92

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Solution

The fourth proportional to 1,402,736.76, 2,104,416.18 and 405,388.92 is: 608,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,736.76 : 2,104,416.18 = 405,388.92 : x
  2. Step 2: Convert to fraction form
    1,402,736.76/2,104,416.18 = 405,388.92/x
  3. Step 3: Cross multiply
    1,402,736.76x = 2,104,416.18 × 405,388.92
  4. Step 4: Simplify right side
    1,402,736.76x = 853,107,002,440.73
  5. Step 5: Solve for x
    x = 853,107,002,440.73/1,402,736.76
  6. Step 6: Final answer
    x = 608,173.27

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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.