Home / 1,486,483.15-2,052,197.90-978,661.75

Finding the Fourth Proportional to 1,486,483.15, 2,052,197.90 and 978,661.75

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Solution

The fourth proportional to 1,486,483.15, 2,052,197.90 and 978,661.75 is: 1,351,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,483.15 : 2,052,197.90 = 978,661.75 : x
  2. Step 2: Convert to fraction form
    1,486,483.15/2,052,197.90 = 978,661.75/x
  3. Step 3: Cross multiply
    1,486,483.15x = 2,052,197.90 × 978,661.75
  4. Step 4: Simplify right side
    1,486,483.15x = 2,008,407,588,160.33
  5. Step 5: Solve for x
    x = 2,008,407,588,160.33/1,486,483.15
  6. Step 6: Final answer
    x = 1,351,113.59

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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.