Home / 1,079,340.35-1,618,987.91-359,734.14

Finding the Fourth Proportional to 1,079,340.35, 1,618,987.91 and 359,734.14

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Solution

The fourth proportional to 1,079,340.35, 1,618,987.91 and 359,734.14 is: 539,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,340.35 : 1,618,987.91 = 359,734.14 : x
  2. Step 2: Convert to fraction form
    1,079,340.35/1,618,987.91 = 359,734.14/x
  3. Step 3: Cross multiply
    1,079,340.35x = 1,618,987.91 × 359,734.14
  4. Step 4: Simplify right side
    1,079,340.35x = 582,405,221,675.58
  5. Step 5: Solve for x
    x = 582,405,221,675.58/1,079,340.35
  6. Step 6: Final answer
    x = 539,593.67

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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.