Home / 1,542,891.51-2,314,152.99-405,742.32

Finding the Fourth Proportional to 1,542,891.51, 2,314,152.99 and 405,742.32

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Solution

The fourth proportional to 1,542,891.51, 2,314,152.99 and 405,742.32 is: 608,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,891.51 : 2,314,152.99 = 405,742.32 : x
  2. Step 2: Convert to fraction form
    1,542,891.51/2,314,152.99 = 405,742.32/x
  3. Step 3: Cross multiply
    1,542,891.51x = 2,314,152.99 × 405,742.32
  4. Step 4: Simplify right side
    1,542,891.51x = 938,949,802,997.54
  5. Step 5: Solve for x
    x = 938,949,802,997.54/1,542,891.51
  6. Step 6: Final answer
    x = 608,565.02

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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.