Home / 1,204,955.18-1,662,855.12-661,081.09

Finding the Fourth Proportional to 1,204,955.18, 1,662,855.12 and 661,081.09

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Solution

The fourth proportional to 1,204,955.18, 1,662,855.12 and 661,081.09 is: 912,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,955.18 : 1,662,855.12 = 661,081.09 : x
  2. Step 2: Convert to fraction form
    1,204,955.18/1,662,855.12 = 661,081.09/x
  3. Step 3: Cross multiply
    1,204,955.18x = 1,662,855.12 × 661,081.09
  4. Step 4: Simplify right side
    1,204,955.18x = 1,099,282,066,526.92
  5. Step 5: Solve for x
    x = 1,099,282,066,526.92/1,204,955.18
  6. Step 6: Final answer
    x = 912,301.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.