Home / 1,265,423.22-1,898,332.79-412,296.84

Finding the Fourth Proportional to 1,265,423.22, 1,898,332.79 and 412,296.84

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Solution

The fourth proportional to 1,265,423.22, 1,898,332.79 and 412,296.84 is: 618,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,423.22 : 1,898,332.79 = 412,296.84 : x
  2. Step 2: Convert to fraction form
    1,265,423.22/1,898,332.79 = 412,296.84/x
  3. Step 3: Cross multiply
    1,265,423.22x = 1,898,332.79 × 412,296.84
  4. Step 4: Simplify right side
    1,265,423.22x = 782,676,608,523.90
  5. Step 5: Solve for x
    x = 782,676,608,523.90/1,265,423.22
  6. Step 6: Final answer
    x = 618,509.76

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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.