Home / 1,385,075.44-2,080,765.92-1,002,005.85

Finding the Fourth Proportional to 1,385,075.44, 2,080,765.92 and 1,002,005.85

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Solution

The fourth proportional to 1,385,075.44, 2,080,765.92 and 1,002,005.85 is: 1,505,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,075.44 : 2,080,765.92 = 1,002,005.85 : x
  2. Step 2: Convert to fraction form
    1,385,075.44/2,080,765.92 = 1,002,005.85/x
  3. Step 3: Cross multiply
    1,385,075.44x = 2,080,765.92 × 1,002,005.85
  4. Step 4: Simplify right side
    1,385,075.44x = 2,084,939,624,320.63
  5. Step 5: Solve for x
    x = 2,084,939,624,320.63/1,385,075.44
  6. Step 6: Final answer
    x = 1,505,289.58

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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.