Home / 1,294,167.20-1,943,219.10-994,985.60

Finding the Fourth Proportional to 1,294,167.20, 1,943,219.10 and 994,985.60

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Solution

The fourth proportional to 1,294,167.20, 1,943,219.10 and 994,985.60 is: 1,493,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,167.20 : 1,943,219.10 = 994,985.60 : x
  2. Step 2: Convert to fraction form
    1,294,167.20/1,943,219.10 = 994,985.60/x
  3. Step 3: Cross multiply
    1,294,167.20x = 1,943,219.10 × 994,985.60
  4. Step 4: Simplify right side
    1,294,167.20x = 1,933,475,022,144.96
  5. Step 5: Solve for x
    x = 1,933,475,022,144.96/1,294,167.20
  6. Step 6: Final answer
    x = 1,493,991.67

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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.