Home / 1,051,178.73-1,576,440.05-691,329.75

Finding the Fourth Proportional to 1,051,178.73, 1,576,440.05 and 691,329.75

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Solution

The fourth proportional to 1,051,178.73, 1,576,440.05 and 691,329.75 is: 1,036,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,178.73 : 1,576,440.05 = 691,329.75 : x
  2. Step 2: Convert to fraction form
    1,051,178.73/1,576,440.05 = 691,329.75/x
  3. Step 3: Cross multiply
    1,051,178.73x = 1,576,440.05 × 691,329.75
  4. Step 4: Simplify right side
    1,051,178.73x = 1,089,839,902,199.84
  5. Step 5: Solve for x
    x = 1,089,839,902,199.84/1,051,178.73
  6. Step 6: Final answer
    x = 1,036,778.88

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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.