Home / 929,019.20-1,394,565.60-868,107.20

Finding the Fourth Proportional to 929,019.20, 1,394,565.60 and 868,107.20

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Solution

The fourth proportional to 929,019.20, 1,394,565.60 and 868,107.20 is: 1,303,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,019.20 : 1,394,565.60 = 868,107.20 : x
  2. Step 2: Convert to fraction form
    929,019.20/1,394,565.60 = 868,107.20/x
  3. Step 3: Cross multiply
    929,019.20x = 1,394,565.60 × 868,107.20
  4. Step 4: Simplify right side
    929,019.20x = 1,210,632,438,232.32
  5. Step 5: Solve for x
    x = 1,210,632,438,232.32/929,019.20
  6. Step 6: Final answer
    x = 1,303,129.62

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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.