Home / 1,338,129.51-2,007,176.82-327,260.22

Finding the Fourth Proportional to 1,338,129.51, 2,007,176.82 and 327,260.22

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Solution

The fourth proportional to 1,338,129.51, 2,007,176.82 and 327,260.22 is: 490,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,129.51 : 2,007,176.82 = 327,260.22 : x
  2. Step 2: Convert to fraction form
    1,338,129.51/2,007,176.82 = 327,260.22/x
  3. Step 3: Cross multiply
    1,338,129.51x = 2,007,176.82 × 327,260.22
  4. Step 4: Simplify right side
    1,338,129.51x = 656,869,127,692.10
  5. Step 5: Solve for x
    x = 656,869,127,692.10/1,338,129.51
  6. Step 6: Final answer
    x = 490,886.06

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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.