Home / 1,470,707.55-2,206,188.39-405,749.61

Finding the Fourth Proportional to 1,470,707.55, 2,206,188.39 and 405,749.61

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Solution

The fourth proportional to 1,470,707.55, 2,206,188.39 and 405,749.61 is: 608,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,707.55 : 2,206,188.39 = 405,749.61 : x
  2. Step 2: Convert to fraction form
    1,470,707.55/2,206,188.39 = 405,749.61/x
  3. Step 3: Cross multiply
    1,470,707.55x = 2,206,188.39 × 405,749.61
  4. Step 4: Simplify right side
    1,470,707.55x = 895,160,078,829.03
  5. Step 5: Solve for x
    x = 895,160,078,829.03/1,470,707.55
  6. Step 6: Final answer
    x = 608,659.47

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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.