Home / 1,470,788.86-2,206,310.41-405,830.92

Finding the Fourth Proportional to 1,470,788.86, 2,206,310.41 and 405,830.92

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Solution

The fourth proportional to 1,470,788.86, 2,206,310.41 and 405,830.92 is: 608,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,788.86 : 2,206,310.41 = 405,830.92 : x
  2. Step 2: Convert to fraction form
    1,470,788.86/2,206,310.41 = 405,830.92/x
  3. Step 3: Cross multiply
    1,470,788.86x = 2,206,310.41 × 405,830.92
  4. Step 4: Simplify right side
    1,470,788.86x = 895,388,983,495.88
  5. Step 5: Solve for x
    x = 895,388,983,495.88/1,470,788.86
  6. Step 6: Final answer
    x = 608,781.46

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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.