Home / 1,243,880.80-1,865,821.20-995,048.80

Finding the Fourth Proportional to 1,243,880.80, 1,865,821.20 and 995,048.80

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Solution

The fourth proportional to 1,243,880.80, 1,865,821.20 and 995,048.80 is: 1,492,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,880.80 : 1,865,821.20 = 995,048.80 : x
  2. Step 2: Convert to fraction form
    1,243,880.80/1,865,821.20 = 995,048.80/x
  3. Step 3: Cross multiply
    1,243,880.80x = 1,865,821.20 × 995,048.80
  4. Step 4: Simplify right side
    1,243,880.80x = 1,856,583,146,074.56
  5. Step 5: Solve for x
    x = 1,856,583,146,074.56/1,243,880.80
  6. Step 6: Final answer
    x = 1,492,573.20

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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.