Home / 1,377,221-2,065,909.26-490,757

Finding the Fourth Proportional to 1,377,221, 2,065,909.26 and 490,757

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Solution

The fourth proportional to 1,377,221, 2,065,909.26 and 490,757 is: 736,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,221 : 2,065,909.26 = 490,757 : x
  2. Step 2: Convert to fraction form
    1,377,221/2,065,909.26 = 490,757/x
  3. Step 3: Cross multiply
    1,377,221x = 2,065,909.26 × 490,757
  4. Step 4: Simplify right side
    1,377,221x = 1,013,859,430,709.82
  5. Step 5: Solve for x
    x = 1,013,859,430,709.82/1,377,221
  6. Step 6: Final answer
    x = 736,163.21

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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.