Home / 1,220,995.76-1,831,471.80-501,181.16

Finding the Fourth Proportional to 1,220,995.76, 1,831,471.80 and 501,181.16

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Solution

The fourth proportional to 1,220,995.76, 1,831,471.80 and 501,181.16 is: 751,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,995.76 : 1,831,471.80 = 501,181.16 : x
  2. Step 2: Convert to fraction form
    1,220,995.76/1,831,471.80 = 501,181.16/x
  3. Step 3: Cross multiply
    1,220,995.76x = 1,831,471.80 × 501,181.16
  4. Step 4: Simplify right side
    1,220,995.76x = 917,899,161,231.29
  5. Step 5: Solve for x
    x = 917,899,161,231.29/1,220,995.76
  6. Step 6: Final answer
    x = 751,762.78

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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.