Home / 1,328,856.60-1,992,896.10-475,829.40

Finding the Fourth Proportional to 1,328,856.60, 1,992,896.10 and 475,829.40

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Solution

The fourth proportional to 1,328,856.60, 1,992,896.10 and 475,829.40 is: 713,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,856.60 : 1,992,896.10 = 475,829.40 : x
  2. Step 2: Convert to fraction form
    1,328,856.60/1,992,896.10 = 475,829.40/x
  3. Step 3: Cross multiply
    1,328,856.60x = 1,992,896.10 × 475,829.40
  4. Step 4: Simplify right side
    1,328,856.60x = 948,278,555,525.34
  5. Step 5: Solve for x
    x = 948,278,555,525.34/1,328,856.60
  6. Step 6: Final answer
    x = 713,604.88

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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.