Home / 1,000,145.08-1,380,204.60-541,259.71

Finding the Fourth Proportional to 1,000,145.08, 1,380,204.60 and 541,259.71

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Solution

The fourth proportional to 1,000,145.08, 1,380,204.60 and 541,259.71 is: 746,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,145.08 : 1,380,204.60 = 541,259.71 : x
  2. Step 2: Convert to fraction form
    1,000,145.08/1,380,204.60 = 541,259.71/x
  3. Step 3: Cross multiply
    1,000,145.08x = 1,380,204.60 × 541,259.71
  4. Step 4: Simplify right side
    1,000,145.08x = 747,049,141,536.67
  5. Step 5: Solve for x
    x = 747,049,141,536.67/1,000,145.08
  6. Step 6: Final answer
    x = 746,940.78

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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.