Home / 1,054,728.80-1,581,704.40-522,072.80

Finding the Fourth Proportional to 1,054,728.80, 1,581,704.40 and 522,072.80

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Solution

The fourth proportional to 1,054,728.80, 1,581,704.40 and 522,072.80 is: 782,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,728.80 : 1,581,704.40 = 522,072.80 : x
  2. Step 2: Convert to fraction form
    1,054,728.80/1,581,704.40 = 522,072.80/x
  3. Step 3: Cross multiply
    1,054,728.80x = 1,581,704.40 × 522,072.80
  4. Step 4: Simplify right side
    1,054,728.80x = 825,764,844,880.32
  5. Step 5: Solve for x
    x = 825,764,844,880.32/1,054,728.80
  6. Step 6: Final answer
    x = 782,916.75

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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.