Home / 1,139,291-1,709,310.90-465,938.96

Finding the Fourth Proportional to 1,139,291, 1,709,310.90 and 465,938.96

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Solution

The fourth proportional to 1,139,291, 1,709,310.90 and 465,938.96 is: 699,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,291 : 1,709,310.90 = 465,938.96 : x
  2. Step 2: Convert to fraction form
    1,139,291/1,709,310.90 = 465,938.96/x
  3. Step 3: Cross multiply
    1,139,291x = 1,709,310.90 × 465,938.96
  4. Step 4: Simplify right side
    1,139,291x = 796,434,543,062.66
  5. Step 5: Solve for x
    x = 796,434,543,062.66/1,139,291
  6. Step 6: Final answer
    x = 699,061.56

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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.