Home / 787,665.60-1,181,498.40-731,678.40

Finding the Fourth Proportional to 787,665.60, 1,181,498.40 and 731,678.40

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Solution

The fourth proportional to 787,665.60, 1,181,498.40 and 731,678.40 is: 1,097,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,665.60 : 1,181,498.40 = 731,678.40 : x
  2. Step 2: Convert to fraction form
    787,665.60/1,181,498.40 = 731,678.40/x
  3. Step 3: Cross multiply
    787,665.60x = 1,181,498.40 × 731,678.40
  4. Step 4: Simplify right side
    787,665.60x = 864,476,858,914.56
  5. Step 5: Solve for x
    x = 864,476,858,914.56/787,665.60
  6. Step 6: Final answer
    x = 1,097,517.60

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1.5x scale

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.