Home / 1,212,907.80-1,818,705.60-503,007.60

Finding the Fourth Proportional to 1,212,907.80, 1,818,705.60 and 503,007.60

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Solution

The fourth proportional to 1,212,907.80, 1,818,705.60 and 503,007.60 is: 754,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,907.80 : 1,818,705.60 = 503,007.60 : x
  2. Step 2: Convert to fraction form
    1,212,907.80/1,818,705.60 = 503,007.60/x
  3. Step 3: Cross multiply
    1,212,907.80x = 1,818,705.60 × 503,007.60
  4. Step 4: Simplify right side
    1,212,907.80x = 914,822,738,962.56
  5. Step 5: Solve for x
    x = 914,822,738,962.56/1,212,907.80
  6. Step 6: Final answer
    x = 754,239.31

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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.