Home / 1,108,206.79-1,662,404.49-349,845.40

Finding the Fourth Proportional to 1,108,206.79, 1,662,404.49 and 349,845.40

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Solution

The fourth proportional to 1,108,206.79, 1,662,404.49 and 349,845.40 is: 524,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,206.79 : 1,662,404.49 = 349,845.40 : x
  2. Step 2: Convert to fraction form
    1,108,206.79/1,662,404.49 = 349,845.40/x
  3. Step 3: Cross multiply
    1,108,206.79x = 1,662,404.49 × 349,845.40
  4. Step 4: Simplify right side
    1,108,206.79x = 581,584,563,765.85
  5. Step 5: Solve for x
    x = 581,584,563,765.85/1,108,206.79
  6. Step 6: Final answer
    x = 524,797.87

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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.