Home / 912,009.88-1,361,336.25-804,275.43

Finding the Fourth Proportional to 912,009.88, 1,361,336.25 and 804,275.43

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Solution

The fourth proportional to 912,009.88, 1,361,336.25 and 804,275.43 is: 1,200,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,009.88 : 1,361,336.25 = 804,275.43 : x
  2. Step 2: Convert to fraction form
    912,009.88/1,361,336.25 = 804,275.43/x
  3. Step 3: Cross multiply
    912,009.88x = 1,361,336.25 × 804,275.43
  4. Step 4: Simplify right side
    912,009.88x = 1,094,889,297,843.34
  5. Step 5: Solve for x
    x = 1,094,889,297,843.34/912,009.88
  6. Step 6: Final answer
    x = 1,200,523.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.