Home / 1,471,407.78-2,205,921.15-460,009.38

Finding the Fourth Proportional to 1,471,407.78, 2,205,921.15 and 460,009.38

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Solution

The fourth proportional to 1,471,407.78, 2,205,921.15 and 460,009.38 is: 689,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,407.78 : 2,205,921.15 = 460,009.38 : x
  2. Step 2: Convert to fraction form
    1,471,407.78/2,205,921.15 = 460,009.38/x
  3. Step 3: Cross multiply
    1,471,407.78x = 2,205,921.15 × 460,009.38
  4. Step 4: Simplify right side
    1,471,407.78x = 1,014,744,420,540.39
  5. Step 5: Solve for x
    x = 1,014,744,420,540.39/1,471,407.78
  6. Step 6: Final answer
    x = 689,641.88

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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.