Home / 1,055,766.42-1,583,489.25-345,778.74

Finding the Fourth Proportional to 1,055,766.42, 1,583,489.25 and 345,778.74

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Solution

The fourth proportional to 1,055,766.42, 1,583,489.25 and 345,778.74 is: 518,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,766.42 : 1,583,489.25 = 345,778.74 : x
  2. Step 2: Convert to fraction form
    1,055,766.42/1,583,489.25 = 345,778.74/x
  3. Step 3: Cross multiply
    1,055,766.42x = 1,583,489.25 × 345,778.74
  4. Step 4: Simplify right side
    1,055,766.42x = 547,536,917,668.55
  5. Step 5: Solve for x
    x = 547,536,917,668.55/1,055,766.42
  6. Step 6: Final answer
    x = 518,615.58

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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.