Home / 1,026,205.20-1,539,745.20-647,416.80

Finding the Fourth Proportional to 1,026,205.20, 1,539,745.20 and 647,416.80

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Solution

The fourth proportional to 1,026,205.20, 1,539,745.20 and 647,416.80 is: 971,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,205.20 : 1,539,745.20 = 647,416.80 : x
  2. Step 2: Convert to fraction form
    1,026,205.20/1,539,745.20 = 647,416.80/x
  3. Step 3: Cross multiply
    1,026,205.20x = 1,539,745.20 × 647,416.80
  4. Step 4: Simplify right side
    1,026,205.20x = 996,856,910,199.36
  5. Step 5: Solve for x
    x = 996,856,910,199.36/1,026,205.20
  6. Step 6: Final answer
    x = 971,401.15

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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.