Home / 1,131,847.20-1,561,925.70-615,611.34

Finding the Fourth Proportional to 1,131,847.20, 1,561,925.70 and 615,611.34

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Solution

The fourth proportional to 1,131,847.20, 1,561,925.70 and 615,611.34 is: 849,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,847.20 : 1,561,925.70 = 615,611.34 : x
  2. Step 2: Convert to fraction form
    1,131,847.20/1,561,925.70 = 615,611.34/x
  3. Step 3: Cross multiply
    1,131,847.20x = 1,561,925.70 × 615,611.34
  4. Step 4: Simplify right side
    1,131,847.20x = 961,539,173,157.44
  5. Step 5: Solve for x
    x = 961,539,173,157.44/1,131,847.20
  6. Step 6: Final answer
    x = 849,530.90

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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.