Home / 1,245,091.60-1,867,867.80-403,670.80

Finding the Fourth Proportional to 1,245,091.60, 1,867,867.80 and 403,670.80

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Solution

The fourth proportional to 1,245,091.60, 1,867,867.80 and 403,670.80 is: 605,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,091.60 : 1,867,867.80 = 403,670.80 : x
  2. Step 2: Convert to fraction form
    1,245,091.60/1,867,867.80 = 403,670.80/x
  3. Step 3: Cross multiply
    1,245,091.60x = 1,867,867.80 × 403,670.80
  4. Step 4: Simplify right side
    1,245,091.60x = 754,003,689,120.24
  5. Step 5: Solve for x
    x = 754,003,689,120.24/1,245,091.60
  6. Step 6: Final answer
    x = 605,580.90

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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.