Home / 1,996,046.40-2,994,458.40-858,806.40

Finding the Fourth Proportional to 1,996,046.40, 2,994,458.40 and 858,806.40

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Solution

The fourth proportional to 1,996,046.40, 2,994,458.40 and 858,806.40 is: 1,288,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,046.40 : 2,994,458.40 = 858,806.40 : x
  2. Step 2: Convert to fraction form
    1,996,046.40/2,994,458.40 = 858,806.40/x
  3. Step 3: Cross multiply
    1,996,046.40x = 2,994,458.40 × 858,806.40
  4. Step 4: Simplify right side
    1,996,046.40x = 2,571,660,038,453.76
  5. Step 5: Solve for x
    x = 2,571,660,038,453.76/1,996,046.40
  6. Step 6: Final answer
    x = 1,288,376.88

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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.