Home / 787,120.60-1,180,680.90-740,464.60

Finding the Fourth Proportional to 787,120.60, 1,180,680.90 and 740,464.60

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Solution

The fourth proportional to 787,120.60, 1,180,680.90 and 740,464.60 is: 1,110,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,120.60 : 1,180,680.90 = 740,464.60 : x
  2. Step 2: Convert to fraction form
    787,120.60/1,180,680.90 = 740,464.60/x
  3. Step 3: Cross multiply
    787,120.60x = 1,180,680.90 × 740,464.60
  4. Step 4: Simplify right side
    787,120.60x = 874,252,410,346.14
  5. Step 5: Solve for x
    x = 874,252,410,346.14/787,120.60
  6. Step 6: Final answer
    x = 1,110,696.90

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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.