Home / 1,122,259.76-1,682,281.52-447,934.80

Finding the Fourth Proportional to 1,122,259.76, 1,682,281.52 and 447,934.80

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Solution

The fourth proportional to 1,122,259.76, 1,682,281.52 and 447,934.80 is: 671,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,259.76 : 1,682,281.52 = 447,934.80 : x
  2. Step 2: Convert to fraction form
    1,122,259.76/1,682,281.52 = 447,934.80/x
  3. Step 3: Cross multiply
    1,122,259.76x = 1,682,281.52 × 447,934.80
  4. Step 4: Simplify right side
    1,122,259.76x = 753,552,436,204.90
  5. Step 5: Solve for x
    x = 753,552,436,204.90/1,122,259.76
  6. Step 6: Final answer
    x = 671,459.91

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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.