Home / 1,575,701.20-2,362,860.60-628,757.20

Finding the Fourth Proportional to 1,575,701.20, 2,362,860.60 and 628,757.20

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Solution

The fourth proportional to 1,575,701.20, 2,362,860.60 and 628,757.20 is: 942,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,701.20 : 2,362,860.60 = 628,757.20 : x
  2. Step 2: Convert to fraction form
    1,575,701.20/2,362,860.60 = 628,757.20/x
  3. Step 3: Cross multiply
    1,575,701.20x = 2,362,860.60 × 628,757.20
  4. Step 4: Simplify right side
    1,575,701.20x = 1,485,665,614,846.32
  5. Step 5: Solve for x
    x = 1,485,665,614,846.32/1,575,701.20
  6. Step 6: Final answer
    x = 942,859.99

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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.