Home / 1,414,140.74-2,121,221.86-403,261.83

Finding the Fourth Proportional to 1,414,140.74, 2,121,221.86 and 403,261.83

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Solution

The fourth proportional to 1,414,140.74, 2,121,221.86 and 403,261.83 is: 604,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,140.74 : 2,121,221.86 = 403,261.83 : x
  2. Step 2: Convert to fraction form
    1,414,140.74/2,121,221.86 = 403,261.83/x
  3. Step 3: Cross multiply
    1,414,140.74x = 2,121,221.86 × 403,261.83
  4. Step 4: Simplify right side
    1,414,140.74x = 855,407,809,099.60
  5. Step 5: Solve for x
    x = 855,407,809,099.60/1,414,140.74
  6. Step 6: Final answer
    x = 604,895.81

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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.