Home / 978,155.32-1,467,233.88-787,722.70

Finding the Fourth Proportional to 978,155.32, 1,467,233.88 and 787,722.70

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Solution

The fourth proportional to 978,155.32, 1,467,233.88 and 787,722.70 is: 1,181,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,155.32 : 1,467,233.88 = 787,722.70 : x
  2. Step 2: Convert to fraction form
    978,155.32/1,467,233.88 = 787,722.70/x
  3. Step 3: Cross multiply
    978,155.32x = 1,467,233.88 × 787,722.70
  4. Step 4: Simplify right side
    978,155.32x = 1,155,773,433,485.08
  5. Step 5: Solve for x
    x = 1,155,773,433,485.08/978,155.32
  6. Step 6: Final answer
    x = 1,181,584.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.