Home / 1,205,675.12-1,663,074.82-715,297.48

Finding the Fourth Proportional to 1,205,675.12, 1,663,074.82 and 715,297.48

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Solution

The fourth proportional to 1,205,675.12, 1,663,074.82 and 715,297.48 is: 986,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,675.12 : 1,663,074.82 = 715,297.48 : x
  2. Step 2: Convert to fraction form
    1,205,675.12/1,663,074.82 = 715,297.48/x
  3. Step 3: Cross multiply
    1,205,675.12x = 1,663,074.82 × 715,297.48
  4. Step 4: Simplify right side
    1,205,675.12x = 1,189,593,227,797.45
  5. Step 5: Solve for x
    x = 1,189,593,227,797.45/1,205,675.12
  6. Step 6: Final answer
    x = 986,661.50

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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.