Home / 1,763,419.20-2,645,128.80-922,228.80

Finding the Fourth Proportional to 1,763,419.20, 2,645,128.80 and 922,228.80

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Solution

The fourth proportional to 1,763,419.20, 2,645,128.80 and 922,228.80 is: 1,383,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,419.20 : 2,645,128.80 = 922,228.80 : x
  2. Step 2: Convert to fraction form
    1,763,419.20/2,645,128.80 = 922,228.80/x
  3. Step 3: Cross multiply
    1,763,419.20x = 2,645,128.80 × 922,228.80
  4. Step 4: Simplify right side
    1,763,419.20x = 2,439,413,959,069.44
  5. Step 5: Solve for x
    x = 2,439,413,959,069.44/1,763,419.20
  6. Step 6: Final answer
    x = 1,383,343.20

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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.