Home / 1,645,664.20-2,463,684.90-1,173,272.20

Finding the Fourth Proportional to 1,645,664.20, 2,463,684.90 and 1,173,272.20

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Solution

The fourth proportional to 1,645,664.20, 2,463,684.90 and 1,173,272.20 is: 1,756,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,664.20 : 2,463,684.90 = 1,173,272.20 : x
  2. Step 2: Convert to fraction form
    1,645,664.20/2,463,684.90 = 1,173,272.20/x
  3. Step 3: Cross multiply
    1,645,664.20x = 2,463,684.90 × 1,173,272.20
  4. Step 4: Simplify right side
    1,645,664.20x = 2,890,573,002,729.78
  5. Step 5: Solve for x
    x = 2,890,573,002,729.78/1,645,664.20
  6. Step 6: Final answer
    x = 1,756,478.02

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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.