Home / 1,073,516.76-1,481,530.50-643,789.08

Finding the Fourth Proportional to 1,073,516.76, 1,481,530.50 and 643,789.08

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Solution

The fourth proportional to 1,073,516.76, 1,481,530.50 and 643,789.08 is: 888,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,516.76 : 1,481,530.50 = 643,789.08 : x
  2. Step 2: Convert to fraction form
    1,073,516.76/1,481,530.50 = 643,789.08/x
  3. Step 3: Cross multiply
    1,073,516.76x = 1,481,530.50 × 643,789.08
  4. Step 4: Simplify right side
    1,073,516.76x = 953,793,157,586.94
  5. Step 5: Solve for x
    x = 953,793,157,586.94/1,073,516.76
  6. Step 6: Final answer
    x = 888,475.33

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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.