Home / 1,054,711.35-1,581,815.79-455,344.56

Finding the Fourth Proportional to 1,054,711.35, 1,581,815.79 and 455,344.56

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Solution

The fourth proportional to 1,054,711.35, 1,581,815.79 and 455,344.56 is: 682,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,711.35 : 1,581,815.79 = 455,344.56 : x
  2. Step 2: Convert to fraction form
    1,054,711.35/1,581,815.79 = 455,344.56/x
  3. Step 3: Cross multiply
    1,054,711.35x = 1,581,815.79 × 455,344.56
  4. Step 4: Simplify right side
    1,054,711.35x = 720,271,214,898.60
  5. Step 5: Solve for x
    x = 720,271,214,898.60/1,054,711.35
  6. Step 6: Final answer
    x = 682,908.38

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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.