Home / 1,040,228.80-1,560,343.20-740,075.20

Finding the Fourth Proportional to 1,040,228.80, 1,560,343.20 and 740,075.20

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Solution

The fourth proportional to 1,040,228.80, 1,560,343.20 and 740,075.20 is: 1,110,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,228.80 : 1,560,343.20 = 740,075.20 : x
  2. Step 2: Convert to fraction form
    1,040,228.80/1,560,343.20 = 740,075.20/x
  3. Step 3: Cross multiply
    1,040,228.80x = 1,560,343.20 × 740,075.20
  4. Step 4: Simplify right side
    1,040,228.80x = 1,154,771,305,808.64
  5. Step 5: Solve for x
    x = 1,154,771,305,808.64/1,040,228.80
  6. Step 6: Final answer
    x = 1,110,112.80

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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.