Home / 1,446,645.83-2,169,968.74-487,021.21

Finding the Fourth Proportional to 1,446,645.83, 2,169,968.74 and 487,021.21

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Solution

The fourth proportional to 1,446,645.83, 2,169,968.74 and 487,021.21 is: 730,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,645.83 : 2,169,968.74 = 487,021.21 : x
  2. Step 2: Convert to fraction form
    1,446,645.83/2,169,968.74 = 487,021.21/x
  3. Step 3: Cross multiply
    1,446,645.83x = 2,169,968.74 × 487,021.21
  4. Step 4: Simplify right side
    1,446,645.83x = 1,056,820,794,774.50
  5. Step 5: Solve for x
    x = 1,056,820,794,774.50/1,446,645.83
  6. Step 6: Final answer
    x = 730,531.81

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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.