Home / 1,338,616.48-2,008,722.59-485,754.68

Finding the Fourth Proportional to 1,338,616.48, 2,008,722.59 and 485,754.68

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Solution

The fourth proportional to 1,338,616.48, 2,008,722.59 and 485,754.68 is: 728,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,616.48 : 2,008,722.59 = 485,754.68 : x
  2. Step 2: Convert to fraction form
    1,338,616.48/2,008,722.59 = 485,754.68/x
  3. Step 3: Cross multiply
    1,338,616.48x = 2,008,722.59 × 485,754.68
  4. Step 4: Simplify right side
    1,338,616.48x = 975,746,398,914.22
  5. Step 5: Solve for x
    x = 975,746,398,914.22/1,338,616.48
  6. Step 6: Final answer
    x = 728,921.55

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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.