Home / 1,210,750.96-1,815,495.48-451,968.32

Finding the Fourth Proportional to 1,210,750.96, 1,815,495.48 and 451,968.32

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Solution

The fourth proportional to 1,210,750.96, 1,815,495.48 and 451,968.32 is: 677,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,750.96 : 1,815,495.48 = 451,968.32 : x
  2. Step 2: Convert to fraction form
    1,210,750.96/1,815,495.48 = 451,968.32/x
  3. Step 3: Cross multiply
    1,210,750.96x = 1,815,495.48 × 451,968.32
  4. Step 4: Simplify right side
    1,210,750.96x = 820,546,442,063.19
  5. Step 5: Solve for x
    x = 820,546,442,063.19/1,210,750.96
  6. Step 6: Final answer
    x = 677,716.95

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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.