Home / 1,109,390.16-1,665,029.16-435,942.12

Finding the Fourth Proportional to 1,109,390.16, 1,665,029.16 and 435,942.12

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Solution

The fourth proportional to 1,109,390.16, 1,665,029.16 and 435,942.12 is: 654,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,390.16 : 1,665,029.16 = 435,942.12 : x
  2. Step 2: Convert to fraction form
    1,109,390.16/1,665,029.16 = 435,942.12/x
  3. Step 3: Cross multiply
    1,109,390.16x = 1,665,029.16 × 435,942.12
  4. Step 4: Simplify right side
    1,109,390.16x = 725,856,341,872.22
  5. Step 5: Solve for x
    x = 725,856,341,872.22/1,109,390.16
  6. Step 6: Final answer
    x = 654,284.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.