Home / 1,470,839.10-2,206,385.82-405,881.21

Finding the Fourth Proportional to 1,470,839.10, 2,206,385.82 and 405,881.21

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Solution

The fourth proportional to 1,470,839.10, 2,206,385.82 and 405,881.21 is: 608,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,839.10 : 2,206,385.82 = 405,881.21 : x
  2. Step 2: Convert to fraction form
    1,470,839.10/2,206,385.82 = 405,881.21/x
  3. Step 3: Cross multiply
    1,470,839.10x = 2,206,385.82 × 405,881.21
  4. Step 4: Simplify right side
    1,470,839.10x = 895,530,535,316.51
  5. Step 5: Solve for x
    x = 895,530,535,316.51/1,470,839.10
  6. Step 6: Final answer
    x = 608,856.90

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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.