Home / 1,347,107.45-2,021,427.96-494,065.35

Finding the Fourth Proportional to 1,347,107.45, 2,021,427.96 and 494,065.35

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Solution

The fourth proportional to 1,347,107.45, 2,021,427.96 and 494,065.35 is: 741,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,107.45 : 2,021,427.96 = 494,065.35 : x
  2. Step 2: Convert to fraction form
    1,347,107.45/2,021,427.96 = 494,065.35/x
  3. Step 3: Cross multiply
    1,347,107.45x = 2,021,427.96 × 494,065.35
  4. Step 4: Simplify right side
    1,347,107.45x = 998,717,512,557.19
  5. Step 5: Solve for x
    x = 998,717,512,557.19/1,347,107.45
  6. Step 6: Final answer
    x = 741,379.25

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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.