Home / 1,412,655.66-2,116,142.82-653,431.32

Finding the Fourth Proportional to 1,412,655.66, 2,116,142.82 and 653,431.32

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Solution

The fourth proportional to 1,412,655.66, 2,116,142.82 and 653,431.32 is: 978,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,655.66 : 2,116,142.82 = 653,431.32 : x
  2. Step 2: Convert to fraction form
    1,412,655.66/2,116,142.82 = 653,431.32/x
  3. Step 3: Cross multiply
    1,412,655.66x = 2,116,142.82 × 653,431.32
  4. Step 4: Simplify right side
    1,412,655.66x = 1,382,753,996,181.12
  5. Step 5: Solve for x
    x = 1,382,753,996,181.12/1,412,655.66
  6. Step 6: Final answer
    x = 978,833.01

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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.