Home / 1,076,041.94-1,485,115.41-820,911.38

Finding the Fourth Proportional to 1,076,041.94, 1,485,115.41 and 820,911.38

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Solution

The fourth proportional to 1,076,041.94, 1,485,115.41 and 820,911.38 is: 1,132,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,041.94 : 1,485,115.41 = 820,911.38 : x
  2. Step 2: Convert to fraction form
    1,076,041.94/1,485,115.41 = 820,911.38/x
  3. Step 3: Cross multiply
    1,076,041.94x = 1,485,115.41 × 820,911.38
  4. Step 4: Simplify right side
    1,076,041.94x = 1,219,148,140,682.37
  5. Step 5: Solve for x
    x = 1,219,148,140,682.37/1,076,041.94
  6. Step 6: Final answer
    x = 1,132,993.14

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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.