Home / 1,446,618.72-1,996,398.64-826,478.11

Finding the Fourth Proportional to 1,446,618.72, 1,996,398.64 and 826,478.11

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Solution

The fourth proportional to 1,446,618.72, 1,996,398.64 and 826,478.11 is: 1,140,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,618.72 : 1,996,398.64 = 826,478.11 : x
  2. Step 2: Convert to fraction form
    1,446,618.72/1,996,398.64 = 826,478.11/x
  3. Step 3: Cross multiply
    1,446,618.72x = 1,996,398.64 × 826,478.11
  4. Step 4: Simplify right side
    1,446,618.72x = 1,649,979,774,793.77
  5. Step 5: Solve for x
    x = 1,649,979,774,793.77/1,446,618.72
  6. Step 6: Final answer
    x = 1,140,576.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.