Home / 1,120,052.40-1,679,927.40-446,629.20

Finding the Fourth Proportional to 1,120,052.40, 1,679,927.40 and 446,629.20

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Solution

The fourth proportional to 1,120,052.40, 1,679,927.40 and 446,629.20 is: 669,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,052.40 : 1,679,927.40 = 446,629.20 : x
  2. Step 2: Convert to fraction form
    1,120,052.40/1,679,927.40 = 446,629.20/x
  3. Step 3: Cross multiply
    1,120,052.40x = 1,679,927.40 × 446,629.20
  4. Step 4: Simplify right side
    1,120,052.40x = 750,304,630,720.08
  5. Step 5: Solve for x
    x = 750,304,630,720.08/1,120,052.40
  6. Step 6: Final answer
    x = 669,883.51

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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.