Home / 1,173,919.24-1,620,009.30-664,622.20

Finding the Fourth Proportional to 1,173,919.24, 1,620,009.30 and 664,622.20

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Solution

The fourth proportional to 1,173,919.24, 1,620,009.30 and 664,622.20 is: 917,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,919.24 : 1,620,009.30 = 664,622.20 : x
  2. Step 2: Convert to fraction form
    1,173,919.24/1,620,009.30 = 664,622.20/x
  3. Step 3: Cross multiply
    1,173,919.24x = 1,620,009.30 × 664,622.20
  4. Step 4: Simplify right side
    1,173,919.24x = 1,076,694,144,986.46
  5. Step 5: Solve for x
    x = 1,076,694,144,986.46/1,173,919.24
  6. Step 6: Final answer
    x = 917,179.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.