Home / 1,212,248.98-1,819,495.14-613,630.54

Finding the Fourth Proportional to 1,212,248.98, 1,819,495.14 and 613,630.54

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Solution

The fourth proportional to 1,212,248.98, 1,819,495.14 and 613,630.54 is: 921,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,248.98 : 1,819,495.14 = 613,630.54 : x
  2. Step 2: Convert to fraction form
    1,212,248.98/1,819,495.14 = 613,630.54/x
  3. Step 3: Cross multiply
    1,212,248.98x = 1,819,495.14 × 613,630.54
  4. Step 4: Simplify right side
    1,212,248.98x = 1,116,497,785,285.58
  5. Step 5: Solve for x
    x = 1,116,497,785,285.58/1,212,248.98
  6. Step 6: Final answer
    x = 921,013.59

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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.