Home / 1,114,647.68-1,538,851.42-733,781.64

Finding the Fourth Proportional to 1,114,647.68, 1,538,851.42 and 733,781.64

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Solution

The fourth proportional to 1,114,647.68, 1,538,851.42 and 733,781.64 is: 1,013,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,647.68 : 1,538,851.42 = 733,781.64 : x
  2. Step 2: Convert to fraction form
    1,114,647.68/1,538,851.42 = 733,781.64/x
  3. Step 3: Cross multiply
    1,114,647.68x = 1,538,851.42 × 733,781.64
  4. Step 4: Simplify right side
    1,114,647.68x = 1,129,180,918,683.93
  5. Step 5: Solve for x
    x = 1,129,180,918,683.93/1,114,647.68
  6. Step 6: Final answer
    x = 1,013,038.41

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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.