Home / 1,513,902.72-2,089,090.32-868,868.88

Finding the Fourth Proportional to 1,513,902.72, 2,089,090.32 and 868,868.88

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Solution

The fourth proportional to 1,513,902.72, 2,089,090.32 and 868,868.88 is: 1,198,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,902.72 : 2,089,090.32 = 868,868.88 : x
  2. Step 2: Convert to fraction form
    1,513,902.72/2,089,090.32 = 868,868.88/x
  3. Step 3: Cross multiply
    1,513,902.72x = 2,089,090.32 × 868,868.88
  4. Step 4: Simplify right side
    1,513,902.72x = 1,815,145,566,557.24
  5. Step 5: Solve for x
    x = 1,815,145,566,557.24/1,513,902.72
  6. Step 6: Final answer
    x = 1,198,984.28

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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.