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Finding the Fourth Proportional to 1,665,429, 2,498,212.62 and 483,477

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Solution

The fourth proportional to 1,665,429, 2,498,212.62 and 483,477 is: 725,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,429 : 2,498,212.62 = 483,477 : x
  2. Step 2: Convert to fraction form
    1,665,429/2,498,212.62 = 483,477/x
  3. Step 3: Cross multiply
    1,665,429x = 2,498,212.62 × 483,477
  4. Step 4: Simplify right side
    1,665,429x = 1,207,828,342,879.74
  5. Step 5: Solve for x
    x = 1,207,828,342,879.74/1,665,429
  6. Step 6: Final answer
    x = 725,235.57

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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.