Home / 1,375,298.40-2,063,822.40-806,678.40

Finding the Fourth Proportional to 1,375,298.40, 2,063,822.40 and 806,678.40

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Solution

The fourth proportional to 1,375,298.40, 2,063,822.40 and 806,678.40 is: 1,210,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,298.40 : 2,063,822.40 = 806,678.40 : x
  2. Step 2: Convert to fraction form
    1,375,298.40/2,063,822.40 = 806,678.40/x
  3. Step 3: Cross multiply
    1,375,298.40x = 2,063,822.40 × 806,678.40
  4. Step 4: Simplify right side
    1,375,298.40x = 1,664,840,951,516.16
  5. Step 5: Solve for x
    x = 1,664,840,951,516.16/1,375,298.40
  6. Step 6: Final answer
    x = 1,210,530.71

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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.