Home / 1,412,465.40-2,113,859.70-851,902.20

Finding the Fourth Proportional to 1,412,465.40, 2,113,859.70 and 851,902.20

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Solution

The fourth proportional to 1,412,465.40, 2,113,859.70 and 851,902.20 is: 1,274,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,465.40 : 2,113,859.70 = 851,902.20 : x
  2. Step 2: Convert to fraction form
    1,412,465.40/2,113,859.70 = 851,902.20/x
  3. Step 3: Cross multiply
    1,412,465.40x = 2,113,859.70 × 851,902.20
  4. Step 4: Simplify right side
    1,412,465.40x = 1,800,801,728,921.34
  5. Step 5: Solve for x
    x = 1,800,801,728,921.34/1,412,465.40
  6. Step 6: Final answer
    x = 1,274,935.11

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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.