Home / 1,107,168.39-1,528,005.24-677,732.31

Finding the Fourth Proportional to 1,107,168.39, 1,528,005.24 and 677,732.31

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Solution

The fourth proportional to 1,107,168.39, 1,528,005.24 and 677,732.31 is: 935,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,168.39 : 1,528,005.24 = 677,732.31 : x
  2. Step 2: Convert to fraction form
    1,107,168.39/1,528,005.24 = 677,732.31/x
  3. Step 3: Cross multiply
    1,107,168.39x = 1,528,005.24 × 677,732.31
  4. Step 4: Simplify right side
    1,107,168.39x = 1,035,578,520,997.30
  5. Step 5: Solve for x
    x = 1,035,578,520,997.30/1,107,168.39
  6. Step 6: Final answer
    x = 935,339.67

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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.