Home / 1,441,661.26-2,162,802.18-430,865.38

Finding the Fourth Proportional to 1,441,661.26, 2,162,802.18 and 430,865.38

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Solution

The fourth proportional to 1,441,661.26, 2,162,802.18 and 430,865.38 is: 646,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,661.26 : 2,162,802.18 = 430,865.38 : x
  2. Step 2: Convert to fraction form
    1,441,661.26/2,162,802.18 = 430,865.38/x
  3. Step 3: Cross multiply
    1,441,661.26x = 2,162,802.18 × 430,865.38
  4. Step 4: Simplify right side
    1,441,661.26x = 931,876,583,150.53
  5. Step 5: Solve for x
    x = 931,876,583,150.53/1,441,661.26
  6. Step 6: Final answer
    x = 646,390.81

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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.