Home / 1,603,321.40-2,404,982.37-405,247.16

Finding the Fourth Proportional to 1,603,321.40, 2,404,982.37 and 405,247.16

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Solution

The fourth proportional to 1,603,321.40, 2,404,982.37 and 405,247.16 is: 607,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,321.40 : 2,404,982.37 = 405,247.16 : x
  2. Step 2: Convert to fraction form
    1,603,321.40/2,404,982.37 = 405,247.16/x
  3. Step 3: Cross multiply
    1,603,321.40x = 2,404,982.37 × 405,247.16
  4. Step 4: Simplify right side
    1,603,321.40x = 974,612,275,292.57
  5. Step 5: Solve for x
    x = 974,612,275,292.57/1,603,321.40
  6. Step 6: Final answer
    x = 607,870.81

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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.