Home / 1,099,392.80-1,649,089.20-850,253.60

Finding the Fourth Proportional to 1,099,392.80, 1,649,089.20 and 850,253.60

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Solution

The fourth proportional to 1,099,392.80, 1,649,089.20 and 850,253.60 is: 1,275,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,392.80 : 1,649,089.20 = 850,253.60 : x
  2. Step 2: Convert to fraction form
    1,099,392.80/1,649,089.20 = 850,253.60/x
  3. Step 3: Cross multiply
    1,099,392.80x = 1,649,089.20 × 850,253.60
  4. Step 4: Simplify right side
    1,099,392.80x = 1,402,144,029,021.12
  5. Step 5: Solve for x
    x = 1,402,144,029,021.12/1,099,392.80
  6. Step 6: Final answer
    x = 1,275,380.40

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1.5x scale

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.