Home / 1,989,983.80-2,984,975.54-494,075.80

Finding the Fourth Proportional to 1,989,983.80, 2,984,975.54 and 494,075.80

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Solution

The fourth proportional to 1,989,983.80, 2,984,975.54 and 494,075.80 is: 741,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,983.80 : 2,984,975.54 = 494,075.80 : x
  2. Step 2: Convert to fraction form
    1,989,983.80/2,984,975.54 = 494,075.80/x
  3. Step 3: Cross multiply
    1,989,983.80x = 2,984,975.54 × 494,075.80
  4. Step 4: Simplify right side
    1,989,983.80x = 1,474,804,177,905.93
  5. Step 5: Solve for x
    x = 1,474,804,177,905.93/1,989,983.80
  6. Step 6: Final answer
    x = 741,113.66

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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.