Home / 1,421,406.21-2,131,110.69-497,936.24

Finding the Fourth Proportional to 1,421,406.21, 2,131,110.69 and 497,936.24

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Solution

The fourth proportional to 1,421,406.21, 2,131,110.69 and 497,936.24 is: 746,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,406.21 : 2,131,110.69 = 497,936.24 : x
  2. Step 2: Convert to fraction form
    1,421,406.21/2,131,110.69 = 497,936.24/x
  3. Step 3: Cross multiply
    1,421,406.21x = 2,131,110.69 × 497,936.24
  4. Step 4: Simplify right side
    1,421,406.21x = 1,061,157,233,346.85
  5. Step 5: Solve for x
    x = 1,061,157,233,346.85/1,421,406.21
  6. Step 6: Final answer
    x = 746,554.52

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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.