Home / 1,465,578.51-2,195,119.67-1,126,120.47

Finding the Fourth Proportional to 1,465,578.51, 2,195,119.67 and 1,126,120.47

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Solution

The fourth proportional to 1,465,578.51, 2,195,119.67 and 1,126,120.47 is: 1,686,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,578.51 : 2,195,119.67 = 1,126,120.47 : x
  2. Step 2: Convert to fraction form
    1,465,578.51/2,195,119.67 = 1,126,120.47/x
  3. Step 3: Cross multiply
    1,465,578.51x = 2,195,119.67 × 1,126,120.47
  4. Step 4: Simplify right side
    1,465,578.51x = 2,471,969,188,856.04
  5. Step 5: Solve for x
    x = 2,471,969,188,856.04/1,465,578.51
  6. Step 6: Final answer
    x = 1,686,684.93

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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.