Home / 1,109,745.16-1,531,284.08-673,935.86

Finding the Fourth Proportional to 1,109,745.16, 1,531,284.08 and 673,935.86

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Solution

The fourth proportional to 1,109,745.16, 1,531,284.08 and 673,935.86 is: 929,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,745.16 : 1,531,284.08 = 673,935.86 : x
  2. Step 2: Convert to fraction form
    1,109,745.16/1,531,284.08 = 673,935.86/x
  3. Step 3: Cross multiply
    1,109,745.16x = 1,531,284.08 × 673,935.86
  4. Step 4: Simplify right side
    1,109,745.16x = 1,031,987,253,359.11
  5. Step 5: Solve for x
    x = 1,031,987,253,359.11/1,109,745.16
  6. Step 6: Final answer
    x = 929,931.75

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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.