Home / 1,325,406.08-1,987,960.98-365,933.72

Finding the Fourth Proportional to 1,325,406.08, 1,987,960.98 and 365,933.72

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Solution

The fourth proportional to 1,325,406.08, 1,987,960.98 and 365,933.72 is: 548,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,406.08 : 1,987,960.98 = 365,933.72 : x
  2. Step 2: Convert to fraction form
    1,325,406.08/1,987,960.98 = 365,933.72/x
  3. Step 3: Cross multiply
    1,325,406.08x = 1,987,960.98 × 365,933.72
  4. Step 4: Simplify right side
    1,325,406.08x = 727,461,956,626.25
  5. Step 5: Solve for x
    x = 727,461,956,626.25/1,325,406.08
  6. Step 6: Final answer
    x = 548,859.68

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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.