Home / 1,245,087.60-1,867,861.80-403,666.80

Finding the Fourth Proportional to 1,245,087.60, 1,867,861.80 and 403,666.80

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Solution

The fourth proportional to 1,245,087.60, 1,867,861.80 and 403,666.80 is: 605,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,087.60 : 1,867,861.80 = 403,666.80 : x
  2. Step 2: Convert to fraction form
    1,245,087.60/1,867,861.80 = 403,666.80/x
  3. Step 3: Cross multiply
    1,245,087.60x = 1,867,861.80 × 403,666.80
  4. Step 4: Simplify right side
    1,245,087.60x = 753,993,795,648.24
  5. Step 5: Solve for x
    x = 753,993,795,648.24/1,245,087.60
  6. Step 6: Final answer
    x = 605,574.90

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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.