Home / 1,386,906.60-2,080,359.90-1,197,949.80

Finding the Fourth Proportional to 1,386,906.60, 2,080,359.90 and 1,197,949.80

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Solution

The fourth proportional to 1,386,906.60, 2,080,359.90 and 1,197,949.80 is: 1,796,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,906.60 : 2,080,359.90 = 1,197,949.80 : x
  2. Step 2: Convert to fraction form
    1,386,906.60/2,080,359.90 = 1,197,949.80/x
  3. Step 3: Cross multiply
    1,386,906.60x = 2,080,359.90 × 1,197,949.80
  4. Step 4: Simplify right side
    1,386,906.60x = 2,492,166,726,133.02
  5. Step 5: Solve for x
    x = 2,492,166,726,133.02/1,386,906.60
  6. Step 6: Final answer
    x = 1,796,924.70

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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.