Home / 1,148,864.60-1,585,390.38-639,556.04

Finding the Fourth Proportional to 1,148,864.60, 1,585,390.38 and 639,556.04

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Solution

The fourth proportional to 1,148,864.60, 1,585,390.38 and 639,556.04 is: 882,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,864.60 : 1,585,390.38 = 639,556.04 : x
  2. Step 2: Convert to fraction form
    1,148,864.60/1,585,390.38 = 639,556.04/x
  3. Step 3: Cross multiply
    1,148,864.60x = 1,585,390.38 × 639,556.04
  4. Step 4: Simplify right side
    1,148,864.60x = 1,013,945,993,286.90
  5. Step 5: Solve for x
    x = 1,013,945,993,286.90/1,148,864.60
  6. Step 6: Final answer
    x = 882,563.53

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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.