Home / 1,213,015.80-1,820,179.80-503,115.60

Finding the Fourth Proportional to 1,213,015.80, 1,820,179.80 and 503,115.60

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Solution

The fourth proportional to 1,213,015.80, 1,820,179.80 and 503,115.60 is: 754,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,015.80 : 1,820,179.80 = 503,115.60 : x
  2. Step 2: Convert to fraction form
    1,213,015.80/1,820,179.80 = 503,115.60/x
  3. Step 3: Cross multiply
    1,213,015.80x = 1,820,179.80 × 503,115.60
  4. Step 4: Simplify right side
    1,213,015.80x = 915,760,852,184.88
  5. Step 5: Solve for x
    x = 915,760,852,184.88/1,213,015.80
  6. Step 6: Final answer
    x = 754,945.53

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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.