Home / 1,860,363.20-2,790,544.80-663,636.80

Finding the Fourth Proportional to 1,860,363.20, 2,790,544.80 and 663,636.80

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Solution

The fourth proportional to 1,860,363.20, 2,790,544.80 and 663,636.80 is: 995,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,363.20 : 2,790,544.80 = 663,636.80 : x
  2. Step 2: Convert to fraction form
    1,860,363.20/2,790,544.80 = 663,636.80/x
  3. Step 3: Cross multiply
    1,860,363.20x = 2,790,544.80 × 663,636.80
  4. Step 4: Simplify right side
    1,860,363.20x = 1,851,908,221,328.64
  5. Step 5: Solve for x
    x = 1,851,908,221,328.64/1,860,363.20
  6. Step 6: Final answer
    x = 995,455.20

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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.