Home / 1,242,029.80-1,863,044.70-494,075.80

Finding the Fourth Proportional to 1,242,029.80, 1,863,044.70 and 494,075.80

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Solution

The fourth proportional to 1,242,029.80, 1,863,044.70 and 494,075.80 is: 741,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,029.80 : 1,863,044.70 = 494,075.80 : x
  2. Step 2: Convert to fraction form
    1,242,029.80/1,863,044.70 = 494,075.80/x
  3. Step 3: Cross multiply
    1,242,029.80x = 1,863,044.70 × 494,075.80
  4. Step 4: Simplify right side
    1,242,029.80x = 920,485,300,588.26
  5. Step 5: Solve for x
    x = 920,485,300,588.26/1,242,029.80
  6. Step 6: Final answer
    x = 741,113.70

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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.