Home / 1,296,788.04-1,945,181.25-720,777.60

Finding the Fourth Proportional to 1,296,788.04, 1,945,181.25 and 720,777.60

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Solution

The fourth proportional to 1,296,788.04, 1,945,181.25 and 720,777.60 is: 1,081,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,788.04 : 1,945,181.25 = 720,777.60 : x
  2. Step 2: Convert to fraction form
    1,296,788.04/1,945,181.25 = 720,777.60/x
  3. Step 3: Cross multiply
    1,296,788.04x = 1,945,181.25 × 720,777.60
  4. Step 4: Simplify right side
    1,296,788.04x = 1,402,043,072,940
  5. Step 5: Solve for x
    x = 1,402,043,072,940/1,296,788.04
  6. Step 6: Final answer
    x = 1,081,165.95

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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.