Home / 1,230,285.20-1,845,427.80-343,821.20

Finding the Fourth Proportional to 1,230,285.20, 1,845,427.80 and 343,821.20

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Solution

The fourth proportional to 1,230,285.20, 1,845,427.80 and 343,821.20 is: 515,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,285.20 : 1,845,427.80 = 343,821.20 : x
  2. Step 2: Convert to fraction form
    1,230,285.20/1,845,427.80 = 343,821.20/x
  3. Step 3: Cross multiply
    1,230,285.20x = 1,845,427.80 × 343,821.20
  4. Step 4: Simplify right side
    1,230,285.20x = 634,497,200,709.36
  5. Step 5: Solve for x
    x = 634,497,200,709.36/1,230,285.20
  6. Step 6: Final answer
    x = 515,731.80

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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.