Home / 1,076,113.94-1,485,075.32-668,439.05

Finding the Fourth Proportional to 1,076,113.94, 1,485,075.32 and 668,439.05

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Solution

The fourth proportional to 1,076,113.94, 1,485,075.32 and 668,439.05 is: 922,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,113.94 : 1,485,075.32 = 668,439.05 : x
  2. Step 2: Convert to fraction form
    1,076,113.94/1,485,075.32 = 668,439.05/x
  3. Step 3: Cross multiply
    1,076,113.94x = 1,485,075.32 × 668,439.05
  4. Step 4: Simplify right side
    1,076,113.94x = 992,682,325,311.67
  5. Step 5: Solve for x
    x = 992,682,325,311.67/1,076,113.94
  6. Step 6: Final answer
    x = 922,469.54

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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.