Home / 1,413,796.80-2,120,695.20-571,915.20

Finding the Fourth Proportional to 1,413,796.80, 2,120,695.20 and 571,915.20

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Solution

The fourth proportional to 1,413,796.80, 2,120,695.20 and 571,915.20 is: 857,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,796.80 : 2,120,695.20 = 571,915.20 : x
  2. Step 2: Convert to fraction form
    1,413,796.80/2,120,695.20 = 571,915.20/x
  3. Step 3: Cross multiply
    1,413,796.80x = 2,120,695.20 × 571,915.20
  4. Step 4: Simplify right side
    1,413,796.80x = 1,212,857,819,447.04
  5. Step 5: Solve for x
    x = 1,212,857,819,447.04/1,413,796.80
  6. Step 6: Final answer
    x = 857,872.80

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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.