Home / 1,385,971-1,912,639.98-750,067

Finding the Fourth Proportional to 1,385,971, 1,912,639.98 and 750,067

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Solution

The fourth proportional to 1,385,971, 1,912,639.98 and 750,067 is: 1,035,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,971 : 1,912,639.98 = 750,067 : x
  2. Step 2: Convert to fraction form
    1,385,971/1,912,639.98 = 750,067/x
  3. Step 3: Cross multiply
    1,385,971x = 1,912,639.98 × 750,067
  4. Step 4: Simplify right side
    1,385,971x = 1,434,608,131,878.66
  5. Step 5: Solve for x
    x = 1,434,608,131,878.66/1,385,971
  6. Step 6: Final answer
    x = 1,035,092.46

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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.