Home / 1,106,078.68-1,658,716.23-386,218.18

Finding the Fourth Proportional to 1,106,078.68, 1,658,716.23 and 386,218.18

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Solution

The fourth proportional to 1,106,078.68, 1,658,716.23 and 386,218.18 is: 579,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,078.68 : 1,658,716.23 = 386,218.18 : x
  2. Step 2: Convert to fraction form
    1,106,078.68/1,658,716.23 = 386,218.18/x
  3. Step 3: Cross multiply
    1,106,078.68x = 1,658,716.23 × 386,218.18
  4. Step 4: Simplify right side
    1,106,078.68x = 640,626,363,487.06
  5. Step 5: Solve for x
    x = 640,626,363,487.06/1,106,078.68
  6. Step 6: Final answer
    x = 579,186.97

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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.