Home / 1,637,245.20-2,456,136.60-515,043.60

Finding the Fourth Proportional to 1,637,245.20, 2,456,136.60 and 515,043.60

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Solution

The fourth proportional to 1,637,245.20, 2,456,136.60 and 515,043.60 is: 772,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,245.20 : 2,456,136.60 = 515,043.60 : x
  2. Step 2: Convert to fraction form
    1,637,245.20/2,456,136.60 = 515,043.60/x
  3. Step 3: Cross multiply
    1,637,245.20x = 2,456,136.60 × 515,043.60
  4. Step 4: Simplify right side
    1,637,245.20x = 1,265,017,436,555.76
  5. Step 5: Solve for x
    x = 1,265,017,436,555.76/1,637,245.20
  6. Step 6: Final answer
    x = 772,649.96

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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.