Home / 787,634.60-1,181,451.90-731,647.40

Finding the Fourth Proportional to 787,634.60, 1,181,451.90 and 731,647.40

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Solution

The fourth proportional to 787,634.60, 1,181,451.90 and 731,647.40 is: 1,097,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,634.60 : 1,181,451.90 = 731,647.40 : x
  2. Step 2: Convert to fraction form
    787,634.60/1,181,451.90 = 731,647.40/x
  3. Step 3: Cross multiply
    787,634.60x = 1,181,451.90 × 731,647.40
  4. Step 4: Simplify right side
    787,634.60x = 864,406,210,860.06
  5. Step 5: Solve for x
    x = 864,406,210,860.06/787,634.60
  6. Step 6: Final answer
    x = 1,097,471.10

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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.