Home / 1,392,179.20-2,088,268.80-1,373,516.80

Finding the Fourth Proportional to 1,392,179.20, 2,088,268.80 and 1,373,516.80

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Solution

The fourth proportional to 1,392,179.20, 2,088,268.80 and 1,373,516.80 is: 2,060,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,179.20 : 2,088,268.80 = 1,373,516.80 : x
  2. Step 2: Convert to fraction form
    1,392,179.20/2,088,268.80 = 1,373,516.80/x
  3. Step 3: Cross multiply
    1,392,179.20x = 2,088,268.80 × 1,373,516.80
  4. Step 4: Simplify right side
    1,392,179.20x = 2,868,272,279,715.84
  5. Step 5: Solve for x
    x = 2,868,272,279,715.84/1,392,179.20
  6. Step 6: Final answer
    x = 2,060,275.20

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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.