Home / 1,220,987.01-1,831,458.62-501,172.41

Finding the Fourth Proportional to 1,220,987.01, 1,831,458.62 and 501,172.41

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Solution

The fourth proportional to 1,220,987.01, 1,831,458.62 and 501,172.41 is: 751,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,987.01 : 1,831,458.62 = 501,172.41 : x
  2. Step 2: Convert to fraction form
    1,220,987.01/1,831,458.62 = 501,172.41/x
  3. Step 3: Cross multiply
    1,220,987.01x = 1,831,458.62 × 501,172.41
  4. Step 4: Simplify right side
    1,220,987.01x = 917,876,531,653.61
  5. Step 5: Solve for x
    x = 917,876,531,653.61/1,220,987.01
  6. Step 6: Final answer
    x = 751,749.63

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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.