Home / 1,098,415.94-1,644,650.36-777,247.70

Finding the Fourth Proportional to 1,098,415.94, 1,644,650.36 and 777,247.70

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Solution

The fourth proportional to 1,098,415.94, 1,644,650.36 and 777,247.70 is: 1,163,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,415.94 : 1,644,650.36 = 777,247.70 : x
  2. Step 2: Convert to fraction form
    1,098,415.94/1,644,650.36 = 777,247.70/x
  3. Step 3: Cross multiply
    1,098,415.94x = 1,644,650.36 × 777,247.70
  4. Step 4: Simplify right side
    1,098,415.94x = 1,278,300,709,614.17
  5. Step 5: Solve for x
    x = 1,278,300,709,614.17/1,098,415.94
  6. Step 6: Final answer
    x = 1,163,767.44

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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.