Home / 1,431,651.71-2,147,365.94-832,230.55

Finding the Fourth Proportional to 1,431,651.71, 2,147,365.94 and 832,230.55

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Solution

The fourth proportional to 1,431,651.71, 2,147,365.94 and 832,230.55 is: 1,248,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,651.71 : 2,147,365.94 = 832,230.55 : x
  2. Step 2: Convert to fraction form
    1,431,651.71/2,147,365.94 = 832,230.55/x
  3. Step 3: Cross multiply
    1,431,651.71x = 2,147,365.94 × 832,230.55
  4. Step 4: Simplify right side
    1,431,651.71x = 1,787,103,540,501.82
  5. Step 5: Solve for x
    x = 1,787,103,540,501.82/1,431,651.71
  6. Step 6: Final answer
    x = 1,248,280.94

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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.