Home / 1,140,777.33-1,711,161.33-287,850.97

Finding the Fourth Proportional to 1,140,777.33, 1,711,161.33 and 287,850.97

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Solution

The fourth proportional to 1,140,777.33, 1,711,161.33 and 287,850.97 is: 431,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,777.33 : 1,711,161.33 = 287,850.97 : x
  2. Step 2: Convert to fraction form
    1,140,777.33/1,711,161.33 = 287,850.97/x
  3. Step 3: Cross multiply
    1,140,777.33x = 1,711,161.33 × 287,850.97
  4. Step 4: Simplify right side
    1,140,777.33x = 492,559,448,666.99
  5. Step 5: Solve for x
    x = 492,559,448,666.99/1,140,777.33
  6. Step 6: Final answer
    x = 431,775.28

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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.