Home / 906,163.20-1,360,022.40-401,500.80

Finding the Fourth Proportional to 906,163.20, 1,360,022.40 and 401,500.80

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Solution

The fourth proportional to 906,163.20, 1,360,022.40 and 401,500.80 is: 602,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,163.20 : 1,360,022.40 = 401,500.80 : x
  2. Step 2: Convert to fraction form
    906,163.20/1,360,022.40 = 401,500.80/x
  3. Step 3: Cross multiply
    906,163.20x = 1,360,022.40 × 401,500.80
  4. Step 4: Simplify right side
    906,163.20x = 546,050,081,617.92
  5. Step 5: Solve for x
    x = 546,050,081,617.92/906,163.20
  6. Step 6: Final answer
    x = 602,595.74

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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.