Home / 1,259,634.60-1,889,466.30-313,007.40

Finding the Fourth Proportional to 1,259,634.60, 1,889,466.30 and 313,007.40

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Solution

The fourth proportional to 1,259,634.60, 1,889,466.30 and 313,007.40 is: 469,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,634.60 : 1,889,466.30 = 313,007.40 : x
  2. Step 2: Convert to fraction form
    1,259,634.60/1,889,466.30 = 313,007.40/x
  3. Step 3: Cross multiply
    1,259,634.60x = 1,889,466.30 × 313,007.40
  4. Step 4: Simplify right side
    1,259,634.60x = 591,416,933,950.62
  5. Step 5: Solve for x
    x = 591,416,933,950.62/1,259,634.60
  6. Step 6: Final answer
    x = 469,514.68

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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.