Home / 1,352,601.87-2,029,213.86-405,990.51

Finding the Fourth Proportional to 1,352,601.87, 2,029,213.86 and 405,990.51

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Solution

The fourth proportional to 1,352,601.87, 2,029,213.86 and 405,990.51 is: 609,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,601.87 : 2,029,213.86 = 405,990.51 : x
  2. Step 2: Convert to fraction form
    1,352,601.87/2,029,213.86 = 405,990.51/x
  3. Step 3: Cross multiply
    1,352,601.87x = 2,029,213.86 × 405,990.51
  4. Step 4: Simplify right side
    1,352,601.87x = 823,841,569,920.47
  5. Step 5: Solve for x
    x = 823,841,569,920.47/1,352,601.87
  6. Step 6: Final answer
    x = 609,079.13

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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.