Home / 1,009,149.22-1,512,228.97-830,503.32

Finding the Fourth Proportional to 1,009,149.22, 1,512,228.97 and 830,503.32

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Solution

The fourth proportional to 1,009,149.22, 1,512,228.97 and 830,503.32 is: 1,244,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,149.22 : 1,512,228.97 = 830,503.32 : x
  2. Step 2: Convert to fraction form
    1,009,149.22/1,512,228.97 = 830,503.32/x
  3. Step 3: Cross multiply
    1,009,149.22x = 1,512,228.97 × 830,503.32
  4. Step 4: Simplify right side
    1,009,149.22x = 1,255,911,180,185.18
  5. Step 5: Solve for x
    x = 1,255,911,180,185.18/1,009,149.22
  6. Step 6: Final answer
    x = 1,244,524.75

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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.