Home / 1,230,199.20-1,845,298.80-343,735.20

Finding the Fourth Proportional to 1,230,199.20, 1,845,298.80 and 343,735.20

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Solution

The fourth proportional to 1,230,199.20, 1,845,298.80 and 343,735.20 is: 515,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,199.20 : 1,845,298.80 = 343,735.20 : x
  2. Step 2: Convert to fraction form
    1,230,199.20/1,845,298.80 = 343,735.20/x
  3. Step 3: Cross multiply
    1,230,199.20x = 1,845,298.80 × 343,735.20
  4. Step 4: Simplify right side
    1,230,199.20x = 634,294,152,077.76
  5. Step 5: Solve for x
    x = 634,294,152,077.76/1,230,199.20
  6. Step 6: Final answer
    x = 515,602.80

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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.