Home / 1,406,438.37-2,109,716.01-409,166.37

Finding the Fourth Proportional to 1,406,438.37, 2,109,716.01 and 409,166.37

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Solution

The fourth proportional to 1,406,438.37, 2,109,716.01 and 409,166.37 is: 613,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,438.37 : 2,109,716.01 = 409,166.37 : x
  2. Step 2: Convert to fraction form
    1,406,438.37/2,109,716.01 = 409,166.37/x
  3. Step 3: Cross multiply
    1,406,438.37x = 2,109,716.01 × 409,166.37
  4. Step 4: Simplify right side
    1,406,438.37x = 863,224,841,542.58
  5. Step 5: Solve for x
    x = 863,224,841,542.58/1,406,438.37
  6. Step 6: Final answer
    x = 613,766.56

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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.