Home / 1,042,907.70-1,564,361.55-806,711.70

Finding the Fourth Proportional to 1,042,907.70, 1,564,361.55 and 806,711.70

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Solution

The fourth proportional to 1,042,907.70, 1,564,361.55 and 806,711.70 is: 1,210,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,907.70 : 1,564,361.55 = 806,711.70 : x
  2. Step 2: Convert to fraction form
    1,042,907.70/1,564,361.55 = 806,711.70/x
  3. Step 3: Cross multiply
    1,042,907.70x = 1,564,361.55 × 806,711.70
  4. Step 4: Simplify right side
    1,042,907.70x = 1,261,988,765,415.14
  5. Step 5: Solve for x
    x = 1,261,988,765,415.14/1,042,907.70
  6. Step 6: Final answer
    x = 1,210,067.55

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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.