Home / 1,015,911.45-1,523,950.17-510,212.36

Finding the Fourth Proportional to 1,015,911.45, 1,523,950.17 and 510,212.36

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Solution

The fourth proportional to 1,015,911.45, 1,523,950.17 and 510,212.36 is: 765,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,911.45 : 1,523,950.17 = 510,212.36 : x
  2. Step 2: Convert to fraction form
    1,015,911.45/1,523,950.17 = 510,212.36/x
  3. Step 3: Cross multiply
    1,015,911.45x = 1,523,950.17 × 510,212.36
  4. Step 4: Simplify right side
    1,015,911.45x = 777,538,205,138.35
  5. Step 5: Solve for x
    x = 777,538,205,138.35/1,015,911.45
  6. Step 6: Final answer
    x = 765,360.21

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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.