Home / 1,435,516.56-1,980,997.02-823,765.55

Finding the Fourth Proportional to 1,435,516.56, 1,980,997.02 and 823,765.55

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Solution

The fourth proportional to 1,435,516.56, 1,980,997.02 and 823,765.55 is: 1,136,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,516.56 : 1,980,997.02 = 823,765.55 : x
  2. Step 2: Convert to fraction form
    1,435,516.56/1,980,997.02 = 823,765.55/x
  3. Step 3: Cross multiply
    1,435,516.56x = 1,980,997.02 × 823,765.55
  4. Step 4: Simplify right side
    1,435,516.56x = 1,631,877,089,823.68
  5. Step 5: Solve for x
    x = 1,631,877,089,823.68/1,435,516.56
  6. Step 6: Final answer
    x = 1,136,787.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.