Home / 1,212,827.20-1,819,327.20-371,377.60

Finding the Fourth Proportional to 1,212,827.20, 1,819,327.20 and 371,377.60

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Solution

The fourth proportional to 1,212,827.20, 1,819,327.20 and 371,377.60 is: 557,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,827.20 : 1,819,327.20 = 371,377.60 : x
  2. Step 2: Convert to fraction form
    1,212,827.20/1,819,327.20 = 371,377.60/x
  3. Step 3: Cross multiply
    1,212,827.20x = 1,819,327.20 × 371,377.60
  4. Step 4: Simplify right side
    1,212,827.20x = 675,657,369,150.72
  5. Step 5: Solve for x
    x = 675,657,369,150.72/1,212,827.20
  6. Step 6: Final answer
    x = 557,092.86

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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.