Home / 1,338,617.48-2,008,724.08-485,755.68

Finding the Fourth Proportional to 1,338,617.48, 2,008,724.08 and 485,755.68

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Solution

The fourth proportional to 1,338,617.48, 2,008,724.08 and 485,755.68 is: 728,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,617.48 : 2,008,724.08 = 485,755.68 : x
  2. Step 2: Convert to fraction form
    1,338,617.48/2,008,724.08 = 485,755.68/x
  3. Step 3: Cross multiply
    1,338,617.48x = 2,008,724.08 × 485,755.68
  4. Step 4: Simplify right side
    1,338,617.48x = 975,749,131,412.77
  5. Step 5: Solve for x
    x = 975,749,131,412.77/1,338,617.48
  6. Step 6: Final answer
    x = 728,923.05

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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.