Home / 1,310,548.68-1,965,823.82-363,919.50

Finding the Fourth Proportional to 1,310,548.68, 1,965,823.82 and 363,919.50

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Solution

The fourth proportional to 1,310,548.68, 1,965,823.82 and 363,919.50 is: 545,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,548.68 : 1,965,823.82 = 363,919.50 : x
  2. Step 2: Convert to fraction form
    1,310,548.68/1,965,823.82 = 363,919.50/x
  3. Step 3: Cross multiply
    1,310,548.68x = 1,965,823.82 × 363,919.50
  4. Step 4: Simplify right side
    1,310,548.68x = 715,401,621,662.49
  5. Step 5: Solve for x
    x = 715,401,621,662.49/1,310,548.68
  6. Step 6: Final answer
    x = 545,879.47

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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.