Home / 1,073,186.44-1,480,674.36-643,309.72

Finding the Fourth Proportional to 1,073,186.44, 1,480,674.36 and 643,309.72

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Solution

The fourth proportional to 1,073,186.44, 1,480,674.36 and 643,309.72 is: 887,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,186.44 : 1,480,674.36 = 643,309.72 : x
  2. Step 2: Convert to fraction form
    1,073,186.44/1,480,674.36 = 643,309.72/x
  3. Step 3: Cross multiply
    1,073,186.44x = 1,480,674.36 × 643,309.72
  4. Step 4: Simplify right side
    1,073,186.44x = 952,532,207,942.78
  5. Step 5: Solve for x
    x = 952,532,207,942.78/1,073,186.44
  6. Step 6: Final answer
    x = 887,573.84

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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.