Home / 1,405,563.68-2,108,550.96-408,162.08

Finding the Fourth Proportional to 1,405,563.68, 2,108,550.96 and 408,162.08

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Solution

The fourth proportional to 1,405,563.68, 2,108,550.96 and 408,162.08 is: 612,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,563.68 : 2,108,550.96 = 408,162.08 : x
  2. Step 2: Convert to fraction form
    1,405,563.68/2,108,550.96 = 408,162.08/x
  3. Step 3: Cross multiply
    1,405,563.68x = 2,108,550.96 × 408,162.08
  4. Step 4: Simplify right side
    1,405,563.68x = 860,630,545,619.60
  5. Step 5: Solve for x
    x = 860,630,545,619.60/1,405,563.68
  6. Step 6: Final answer
    x = 612,302.78

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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.