Home / 1,307,788.26-1,961,719.20-361,158.98

Finding the Fourth Proportional to 1,307,788.26, 1,961,719.20 and 361,158.98

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Solution

The fourth proportional to 1,307,788.26, 1,961,719.20 and 361,158.98 is: 541,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,788.26 : 1,961,719.20 = 361,158.98 : x
  2. Step 2: Convert to fraction form
    1,307,788.26/1,961,719.20 = 361,158.98/x
  3. Step 3: Cross multiply
    1,307,788.26x = 1,961,719.20 × 361,158.98
  4. Step 4: Simplify right side
    1,307,788.26x = 708,492,505,318.42
  5. Step 5: Solve for x
    x = 708,492,505,318.42/1,307,788.26
  6. Step 6: Final answer
    x = 541,748.64

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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.