Home / 1,704,648-2,556,976.86-442,486.56

Finding the Fourth Proportional to 1,704,648, 2,556,976.86 and 442,486.56

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Solution

The fourth proportional to 1,704,648, 2,556,976.86 and 442,486.56 is: 663,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,648 : 2,556,976.86 = 442,486.56 : x
  2. Step 2: Convert to fraction form
    1,704,648/2,556,976.86 = 442,486.56/x
  3. Step 3: Cross multiply
    1,704,648x = 2,556,976.86 × 442,486.56
  4. Step 4: Simplify right side
    1,704,648x = 1,131,427,894,781.00
  5. Step 5: Solve for x
    x = 1,131,427,894,781.00/1,704,648
  6. Step 6: Final answer
    x = 663,731.10

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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.