Home / 1,212,905.30-1,818,701.85-503,005.10

Finding the Fourth Proportional to 1,212,905.30, 1,818,701.85 and 503,005.10

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Solution

The fourth proportional to 1,212,905.30, 1,818,701.85 and 503,005.10 is: 754,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,905.30 : 1,818,701.85 = 503,005.10 : x
  2. Step 2: Convert to fraction form
    1,212,905.30/1,818,701.85 = 503,005.10/x
  3. Step 3: Cross multiply
    1,212,905.30x = 1,818,701.85 × 503,005.10
  4. Step 4: Simplify right side
    1,212,905.30x = 914,816,305,929.44
  5. Step 5: Solve for x
    x = 914,816,305,929.44/1,212,905.30
  6. Step 6: Final answer
    x = 754,235.56

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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.