Home / 1,504,636.80-2,076,401.28-825,578.40

Finding the Fourth Proportional to 1,504,636.80, 2,076,401.28 and 825,578.40

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Solution

The fourth proportional to 1,504,636.80, 2,076,401.28 and 825,578.40 is: 1,139,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,636.80 : 2,076,401.28 = 825,578.40 : x
  2. Step 2: Convert to fraction form
    1,504,636.80/2,076,401.28 = 825,578.40/x
  3. Step 3: Cross multiply
    1,504,636.80x = 2,076,401.28 × 825,578.40
  4. Step 4: Simplify right side
    1,504,636.80x = 1,714,232,046,500.35
  5. Step 5: Solve for x
    x = 1,714,232,046,500.35/1,504,636.80
  6. Step 6: Final answer
    x = 1,139,299.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.