Home / 1,296,509.92-1,945,634.64-455,064.16

Finding the Fourth Proportional to 1,296,509.92, 1,945,634.64 and 455,064.16

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Solution

The fourth proportional to 1,296,509.92, 1,945,634.64 and 455,064.16 is: 682,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,509.92 : 1,945,634.64 = 455,064.16 : x
  2. Step 2: Convert to fraction form
    1,296,509.92/1,945,634.64 = 455,064.16/x
  3. Step 3: Cross multiply
    1,296,509.92x = 1,945,634.64 × 455,064.16
  4. Step 4: Simplify right side
    1,296,509.92x = 885,388,593,118.50
  5. Step 5: Solve for x
    x = 885,388,593,118.50/1,296,509.92
  6. Step 6: Final answer
    x = 682,901.52

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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.