Home / 1,447,166.27-2,169,217.89-486,707.55

Finding the Fourth Proportional to 1,447,166.27, 2,169,217.89 and 486,707.55

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Solution

The fourth proportional to 1,447,166.27, 2,169,217.89 and 486,707.55 is: 729,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,166.27 : 2,169,217.89 = 486,707.55 : x
  2. Step 2: Convert to fraction form
    1,447,166.27/2,169,217.89 = 486,707.55/x
  3. Step 3: Cross multiply
    1,447,166.27x = 2,169,217.89 × 486,707.55
  4. Step 4: Simplify right side
    1,447,166.27x = 1,055,774,724,658.07
  5. Step 5: Solve for x
    x = 1,055,774,724,658.07/1,447,166.27
  6. Step 6: Final answer
    x = 729,546.25

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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.