Home / 1,402,735.76-2,104,414.68-405,387.92

Finding the Fourth Proportional to 1,402,735.76, 2,104,414.68 and 405,387.92

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Solution

The fourth proportional to 1,402,735.76, 2,104,414.68 and 405,387.92 is: 608,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,735.76 : 2,104,414.68 = 405,387.92 : x
  2. Step 2: Convert to fraction form
    1,402,735.76/2,104,414.68 = 405,387.92/x
  3. Step 3: Cross multiply
    1,402,735.76x = 2,104,414.68 × 405,387.92
  4. Step 4: Simplify right side
    1,402,735.76x = 853,104,289,942.67
  5. Step 5: Solve for x
    x = 853,104,289,942.67/1,402,735.76
  6. Step 6: Final answer
    x = 608,171.77

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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.