Home / 957,261.60-1,434,580.20-780,114.60

Finding the Fourth Proportional to 957,261.60, 1,434,580.20 and 780,114.60

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Solution

The fourth proportional to 957,261.60, 1,434,580.20 and 780,114.60 is: 1,169,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,261.60 : 1,434,580.20 = 780,114.60 : x
  2. Step 2: Convert to fraction form
    957,261.60/1,434,580.20 = 780,114.60/x
  3. Step 3: Cross multiply
    957,261.60x = 1,434,580.20 × 780,114.60
  4. Step 4: Simplify right side
    957,261.60x = 1,119,136,958,890.92
  5. Step 5: Solve for x
    x = 1,119,136,958,890.92/957,261.60
  6. Step 6: Final answer
    x = 1,169,102.53

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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.