Home / 879,496.20-1,319,244.30-790,849.80

Finding the Fourth Proportional to 879,496.20, 1,319,244.30 and 790,849.80

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Solution

The fourth proportional to 879,496.20, 1,319,244.30 and 790,849.80 is: 1,186,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,496.20 : 1,319,244.30 = 790,849.80 : x
  2. Step 2: Convert to fraction form
    879,496.20/1,319,244.30 = 790,849.80/x
  3. Step 3: Cross multiply
    879,496.20x = 1,319,244.30 × 790,849.80
  4. Step 4: Simplify right side
    879,496.20x = 1,043,324,090,806.14
  5. Step 5: Solve for x
    x = 1,043,324,090,806.14/879,496.20
  6. Step 6: Final answer
    x = 1,186,274.70

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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.