Home / 1,451,025.64-2,176,501.20-386,076.70

Finding the Fourth Proportional to 1,451,025.64, 2,176,501.20 and 386,076.70

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Solution

The fourth proportional to 1,451,025.64, 2,176,501.20 and 386,076.70 is: 579,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,025.64 : 2,176,501.20 = 386,076.70 : x
  2. Step 2: Convert to fraction form
    1,451,025.64/2,176,501.20 = 386,076.70/x
  3. Step 3: Cross multiply
    1,451,025.64x = 2,176,501.20 × 386,076.70
  4. Step 4: Simplify right side
    1,451,025.64x = 840,296,400,842.04
  5. Step 5: Solve for x
    x = 840,296,400,842.04/1,451,025.64
  6. Step 6: Final answer
    x = 579,105.14

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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.