Home / 1,413,158.40-2,116,627.20-851,212.80

Finding the Fourth Proportional to 1,413,158.40, 2,116,627.20 and 851,212.80

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Solution

The fourth proportional to 1,413,158.40, 2,116,627.20 and 851,212.80 is: 1,274,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,158.40 : 2,116,627.20 = 851,212.80 : x
  2. Step 2: Convert to fraction form
    1,413,158.40/2,116,627.20 = 851,212.80/x
  3. Step 3: Cross multiply
    1,413,158.40x = 2,116,627.20 × 851,212.80
  4. Step 4: Simplify right side
    1,413,158.40x = 1,801,700,165,468.16
  5. Step 5: Solve for x
    x = 1,801,700,165,468.16/1,413,158.40
  6. Step 6: Final answer
    x = 1,274,945.66

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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.