Home / 865,421.22-1,194,845.21-774,622.45

Finding the Fourth Proportional to 865,421.22, 1,194,845.21 and 774,622.45

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Solution

The fourth proportional to 865,421.22, 1,194,845.21 and 774,622.45 is: 1,069,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,421.22 : 1,194,845.21 = 774,622.45 : x
  2. Step 2: Convert to fraction form
    865,421.22/1,194,845.21 = 774,622.45/x
  3. Step 3: Cross multiply
    865,421.22x = 1,194,845.21 × 774,622.45
  4. Step 4: Simplify right side
    865,421.22x = 925,553,923,940.96
  5. Step 5: Solve for x
    x = 925,553,923,940.96/865,421.22
  6. Step 6: Final answer
    x = 1,069,483.74

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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.