Home / 1,099,940.80-1,649,680.80-539,377.60

Finding the Fourth Proportional to 1,099,940.80, 1,649,680.80 and 539,377.60

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Solution

The fourth proportional to 1,099,940.80, 1,649,680.80 and 539,377.60 is: 808,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,940.80 : 1,649,680.80 = 539,377.60 : x
  2. Step 2: Convert to fraction form
    1,099,940.80/1,649,680.80 = 539,377.60/x
  3. Step 3: Cross multiply
    1,099,940.80x = 1,649,680.80 × 539,377.60
  4. Step 4: Simplify right side
    1,099,940.80x = 889,800,870,670.08
  5. Step 5: Solve for x
    x = 889,800,870,670.08/1,099,940.80
  6. Step 6: Final answer
    x = 808,953.42

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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.