Home / 1,036,621.18-1,431,266.65-727,181.64

Finding the Fourth Proportional to 1,036,621.18, 1,431,266.65 and 727,181.64

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Solution

The fourth proportional to 1,036,621.18, 1,431,266.65 and 727,181.64 is: 1,004,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,621.18 : 1,431,266.65 = 727,181.64 : x
  2. Step 2: Convert to fraction form
    1,036,621.18/1,431,266.65 = 727,181.64/x
  3. Step 3: Cross multiply
    1,036,621.18x = 1,431,266.65 × 727,181.64
  4. Step 4: Simplify right side
    1,036,621.18x = 1,040,790,829,824.31
  5. Step 5: Solve for x
    x = 1,040,790,829,824.31/1,036,621.18
  6. Step 6: Final answer
    x = 1,004,022.35

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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.