Home / 1,340,667.08-2,010,367.68-487,136.48

Finding the Fourth Proportional to 1,340,667.08, 2,010,367.68 and 487,136.48

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Solution

The fourth proportional to 1,340,667.08, 2,010,367.68 and 487,136.48 is: 730,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,667.08 : 2,010,367.68 = 487,136.48 : x
  2. Step 2: Convert to fraction form
    1,340,667.08/2,010,367.68 = 487,136.48/x
  3. Step 3: Cross multiply
    1,340,667.08x = 2,010,367.68 × 487,136.48
  4. Step 4: Simplify right side
    1,340,667.08x = 979,323,435,140.97
  5. Step 5: Solve for x
    x = 979,323,435,140.97/1,340,667.08
  6. Step 6: Final answer
    x = 730,474.74

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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.