Home / 1,455,220.14-2,008,264.32-810,640.20

Finding the Fourth Proportional to 1,455,220.14, 2,008,264.32 and 810,640.20

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Solution

The fourth proportional to 1,455,220.14, 2,008,264.32 and 810,640.20 is: 1,118,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,220.14 : 2,008,264.32 = 810,640.20 : x
  2. Step 2: Convert to fraction form
    1,455,220.14/2,008,264.32 = 810,640.20/x
  3. Step 3: Cross multiply
    1,455,220.14x = 2,008,264.32 × 810,640.20
  4. Step 4: Simplify right side
    1,455,220.14x = 1,627,979,790,017.66
  5. Step 5: Solve for x
    x = 1,627,979,790,017.66/1,455,220.14
  6. Step 6: Final answer
    x = 1,118,717.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.