Home / 1,419,792.46-1,961,386.32-1,228,473.70

Finding the Fourth Proportional to 1,419,792.46, 1,961,386.32 and 1,228,473.70

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Solution

The fourth proportional to 1,419,792.46, 1,961,386.32 and 1,228,473.70 is: 1,697,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,792.46 : 1,961,386.32 = 1,228,473.70 : x
  2. Step 2: Convert to fraction form
    1,419,792.46/1,961,386.32 = 1,228,473.70/x
  3. Step 3: Cross multiply
    1,419,792.46x = 1,961,386.32 × 1,228,473.70
  4. Step 4: Simplify right side
    1,419,792.46x = 2,409,511,509,659.78
  5. Step 5: Solve for x
    x = 2,409,511,509,659.78/1,419,792.46
  6. Step 6: Final answer
    x = 1,697,087.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.