Home / 1,412,656.66-2,116,144.32-653,432.32

Finding the Fourth Proportional to 1,412,656.66, 2,116,144.32 and 653,432.32

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Solution

The fourth proportional to 1,412,656.66, 2,116,144.32 and 653,432.32 is: 978,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,656.66 : 2,116,144.32 = 653,432.32 : x
  2. Step 2: Convert to fraction form
    1,412,656.66/2,116,144.32 = 653,432.32/x
  3. Step 3: Cross multiply
    1,412,656.66x = 2,116,144.32 × 653,432.32
  4. Step 4: Simplify right side
    1,412,656.66x = 1,382,757,092,472.42
  5. Step 5: Solve for x
    x = 1,382,757,092,472.42/1,412,656.66
  6. Step 6: Final answer
    x = 978,834.51

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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.