Home / 1,445,992.94-2,166,858.08-805,414.86

Finding the Fourth Proportional to 1,445,992.94, 2,166,858.08 and 805,414.86

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Solution

The fourth proportional to 1,445,992.94, 2,166,858.08 and 805,414.86 is: 1,206,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,992.94 : 2,166,858.08 = 805,414.86 : x
  2. Step 2: Convert to fraction form
    1,445,992.94/2,166,858.08 = 805,414.86/x
  3. Step 3: Cross multiply
    1,445,992.94x = 2,166,858.08 × 805,414.86
  4. Step 4: Simplify right side
    1,445,992.94x = 1,745,219,697,143.07
  5. Step 5: Solve for x
    x = 1,745,219,697,143.07/1,445,992.94
  6. Step 6: Final answer
    x = 1,206,935.14

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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.