Home / 787,710.96-1,181,274.60-619,558.20

Finding the Fourth Proportional to 787,710.96, 1,181,274.60 and 619,558.20

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Solution

The fourth proportional to 787,710.96, 1,181,274.60 and 619,558.20 is: 929,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,710.96 : 1,181,274.60 = 619,558.20 : x
  2. Step 2: Convert to fraction form
    787,710.96/1,181,274.60 = 619,558.20/x
  3. Step 3: Cross multiply
    787,710.96x = 1,181,274.60 × 619,558.20
  4. Step 4: Simplify right side
    787,710.96x = 731,868,364,881.72
  5. Step 5: Solve for x
    x = 731,868,364,881.72/787,710.96
  6. Step 6: Final answer
    x = 929,107.76

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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.