Home / 1,201,647.88-1,658,160.66-718,116.76

Finding the Fourth Proportional to 1,201,647.88, 1,658,160.66 and 718,116.76

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Solution

The fourth proportional to 1,201,647.88, 1,658,160.66 and 718,116.76 is: 990,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,647.88 : 1,658,160.66 = 718,116.76 : x
  2. Step 2: Convert to fraction form
    1,201,647.88/1,658,160.66 = 718,116.76/x
  3. Step 3: Cross multiply
    1,201,647.88x = 1,658,160.66 × 718,116.76
  4. Step 4: Simplify right side
    1,201,647.88x = 1,190,752,960,718.66
  5. Step 5: Solve for x
    x = 1,190,752,960,718.66/1,201,647.88
  6. Step 6: Final answer
    x = 990,933.35

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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.