Home / 1,011,396.60-1,517,316.44-380,310.42

Finding the Fourth Proportional to 1,011,396.60, 1,517,316.44 and 380,310.42

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Solution

The fourth proportional to 1,011,396.60, 1,517,316.44 and 380,310.42 is: 570,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,396.60 : 1,517,316.44 = 380,310.42 : x
  2. Step 2: Convert to fraction form
    1,011,396.60/1,517,316.44 = 380,310.42/x
  3. Step 3: Cross multiply
    1,011,396.60x = 1,517,316.44 × 380,310.42
  4. Step 4: Simplify right side
    1,011,396.60x = 577,051,250,667.75
  5. Step 5: Solve for x
    x = 577,051,250,667.75/1,011,396.60
  6. Step 6: Final answer
    x = 570,548.93

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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.