Home / 1,454,030.20-2,180,786.10-920,596.60

Finding the Fourth Proportional to 1,454,030.20, 2,180,786.10 and 920,596.60

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Solution

The fourth proportional to 1,454,030.20, 2,180,786.10 and 920,596.60 is: 1,380,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,030.20 : 2,180,786.10 = 920,596.60 : x
  2. Step 2: Convert to fraction form
    1,454,030.20/2,180,786.10 = 920,596.60/x
  3. Step 3: Cross multiply
    1,454,030.20x = 2,180,786.10 × 920,596.60
  4. Step 4: Simplify right side
    1,454,030.20x = 2,007,624,268,987.26
  5. Step 5: Solve for x
    x = 2,007,624,268,987.26/1,454,030.20
  6. Step 6: Final answer
    x = 1,380,730.79

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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.