Home / 1,338,227-2,002,298.90-939,655.16

Finding the Fourth Proportional to 1,338,227, 2,002,298.90 and 939,655.16

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Solution

The fourth proportional to 1,338,227, 2,002,298.90 and 939,655.16 is: 1,405,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,227 : 2,002,298.90 = 939,655.16 : x
  2. Step 2: Convert to fraction form
    1,338,227/2,002,298.90 = 939,655.16/x
  3. Step 3: Cross multiply
    1,338,227x = 2,002,298.90 × 939,655.16
  4. Step 4: Simplify right side
    1,338,227x = 1,881,470,493,247.32
  5. Step 5: Solve for x
    x = 1,881,470,493,247.32/1,338,227
  6. Step 6: Final answer
    x = 1,405,942.71

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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.