Home / 1,205,375.88-1,808,005.20-447,364.98

Finding the Fourth Proportional to 1,205,375.88, 1,808,005.20 and 447,364.98

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Solution

The fourth proportional to 1,205,375.88, 1,808,005.20 and 447,364.98 is: 671,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,375.88 : 1,808,005.20 = 447,364.98 : x
  2. Step 2: Convert to fraction form
    1,205,375.88/1,808,005.20 = 447,364.98/x
  3. Step 3: Cross multiply
    1,205,375.88x = 1,808,005.20 × 447,364.98
  4. Step 4: Simplify right side
    1,205,375.88x = 808,838,210,137.90
  5. Step 5: Solve for x
    x = 808,838,210,137.90/1,205,375.88
  6. Step 6: Final answer
    x = 671,025.71

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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.