Home / 929,025.20-1,394,574.60-868,113.20

Finding the Fourth Proportional to 929,025.20, 1,394,574.60 and 868,113.20

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Solution

The fourth proportional to 929,025.20, 1,394,574.60 and 868,113.20 is: 1,303,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,025.20 : 1,394,574.60 = 868,113.20 : x
  2. Step 2: Convert to fraction form
    929,025.20/1,394,574.60 = 868,113.20/x
  3. Step 3: Cross multiply
    929,025.20x = 1,394,574.60 × 868,113.20
  4. Step 4: Simplify right side
    929,025.20x = 1,210,648,618,644.72
  5. Step 5: Solve for x
    x = 1,210,648,618,644.72/929,025.20
  6. Step 6: Final answer
    x = 1,303,138.62

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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.