Home / 1,107,167.64-1,528,004.21-677,731.56

Finding the Fourth Proportional to 1,107,167.64, 1,528,004.21 and 677,731.56

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Solution

The fourth proportional to 1,107,167.64, 1,528,004.21 and 677,731.56 is: 935,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,167.64 : 1,528,004.21 = 677,731.56 : x
  2. Step 2: Convert to fraction form
    1,107,167.64/1,528,004.21 = 677,731.56/x
  3. Step 3: Cross multiply
    1,107,167.64x = 1,528,004.21 × 677,731.56
  4. Step 4: Simplify right side
    1,107,167.64x = 1,035,576,673,541.21
  5. Step 5: Solve for x
    x = 1,035,576,673,541.21/1,107,167.64
  6. Step 6: Final answer
    x = 935,338.64

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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.