Home / 1,464,616.92-2,021,208.90-820,173.32

Finding the Fourth Proportional to 1,464,616.92, 2,021,208.90 and 820,173.32

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Solution

The fourth proportional to 1,464,616.92, 2,021,208.90 and 820,173.32 is: 1,131,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,616.92 : 2,021,208.90 = 820,173.32 : x
  2. Step 2: Convert to fraction form
    1,464,616.92/2,021,208.90 = 820,173.32/x
  3. Step 3: Cross multiply
    1,464,616.92x = 2,021,208.90 × 820,173.32
  4. Step 4: Simplify right side
    1,464,616.92x = 1,657,741,613,926.55
  5. Step 5: Solve for x
    x = 1,657,741,613,926.55/1,464,616.92
  6. Step 6: Final answer
    x = 1,131,860.21

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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.