Home / 1,210,662.96-1,815,363.84-451,880.37

Finding the Fourth Proportional to 1,210,662.96, 1,815,363.84 and 451,880.37

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Solution

The fourth proportional to 1,210,662.96, 1,815,363.84 and 451,880.37 is: 677,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,662.96 : 1,815,363.84 = 451,880.37 : x
  2. Step 2: Convert to fraction form
    1,210,662.96/1,815,363.84 = 451,880.37/x
  3. Step 3: Cross multiply
    1,210,662.96x = 1,815,363.84 × 451,880.37
  4. Step 4: Simplify right side
    1,210,662.96x = 820,327,283,703.82
  5. Step 5: Solve for x
    x = 820,327,283,703.82/1,210,662.96
  6. Step 6: Final answer
    x = 677,585.18

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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.