Home / 1,413,160.40-2,116,630.20-851,214.80

Finding the Fourth Proportional to 1,413,160.40, 2,116,630.20 and 851,214.80

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Solution

The fourth proportional to 1,413,160.40, 2,116,630.20 and 851,214.80 is: 1,274,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,160.40 : 2,116,630.20 = 851,214.80 : x
  2. Step 2: Convert to fraction form
    1,413,160.40/2,116,630.20 = 851,214.80/x
  3. Step 3: Cross multiply
    1,413,160.40x = 2,116,630.20 × 851,214.80
  4. Step 4: Simplify right side
    1,413,160.40x = 1,801,706,952,366.96
  5. Step 5: Solve for x
    x = 1,801,706,952,366.96/1,413,160.40
  6. Step 6: Final answer
    x = 1,274,948.66

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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.