Home / 1,402,481.25-2,104,071.80-405,209.25

Finding the Fourth Proportional to 1,402,481.25, 2,104,071.80 and 405,209.25

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Solution

The fourth proportional to 1,402,481.25, 2,104,071.80 and 405,209.25 is: 607,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,481.25 : 2,104,071.80 = 405,209.25 : x
  2. Step 2: Convert to fraction form
    1,402,481.25/2,104,071.80 = 405,209.25/x
  3. Step 3: Cross multiply
    1,402,481.25x = 2,104,071.80 × 405,209.25
  4. Step 4: Simplify right side
    1,402,481.25x = 852,589,353,998.10
  5. Step 5: Solve for x
    x = 852,589,353,998.10/1,402,481.25
  6. Step 6: Final answer
    x = 607,914.97

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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.