Home / 1,470,707.80-2,206,188.77-405,749.86

Finding the Fourth Proportional to 1,470,707.80, 2,206,188.77 and 405,749.86

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Solution

The fourth proportional to 1,470,707.80, 2,206,188.77 and 405,749.86 is: 608,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,707.80 : 2,206,188.77 = 405,749.86 : x
  2. Step 2: Convert to fraction form
    1,470,707.80/2,206,188.77 = 405,749.86/x
  3. Step 3: Cross multiply
    1,470,707.80x = 2,206,188.77 × 405,749.86
  4. Step 4: Simplify right side
    1,470,707.80x = 895,160,782,532.32
  5. Step 5: Solve for x
    x = 895,160,782,532.32/1,470,707.80
  6. Step 6: Final answer
    x = 608,659.85

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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.