Home / 1,515,986.90-2,274,308.40-451,136.60

Finding the Fourth Proportional to 1,515,986.90, 2,274,308.40 and 451,136.60

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Solution

The fourth proportional to 1,515,986.90, 2,274,308.40 and 451,136.60 is: 676,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,986.90 : 2,274,308.40 = 451,136.60 : x
  2. Step 2: Convert to fraction form
    1,515,986.90/2,274,308.40 = 451,136.60/x
  3. Step 3: Cross multiply
    1,515,986.90x = 2,274,308.40 × 451,136.60
  4. Step 4: Simplify right side
    1,515,986.90x = 1,026,023,758,927.44
  5. Step 5: Solve for x
    x = 1,026,023,758,927.44/1,515,986.90
  6. Step 6: Final answer
    x = 676,802.52

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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.