Home / 1,117,763.46-1,676,659.77-486,653.58

Finding the Fourth Proportional to 1,117,763.46, 1,676,659.77 and 486,653.58

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Solution

The fourth proportional to 1,117,763.46, 1,676,659.77 and 486,653.58 is: 729,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,763.46 : 1,676,659.77 = 486,653.58 : x
  2. Step 2: Convert to fraction form
    1,117,763.46/1,676,659.77 = 486,653.58/x
  3. Step 3: Cross multiply
    1,117,763.46x = 1,676,659.77 × 486,653.58
  4. Step 4: Simplify right side
    1,117,763.46x = 815,952,479,512.48
  5. Step 5: Solve for x
    x = 815,952,479,512.48/1,117,763.46
  6. Step 6: Final answer
    x = 729,986.72

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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.