Home / 1,091,793.94-1,638,198.16-417,652.40

Finding the Fourth Proportional to 1,091,793.94, 1,638,198.16 and 417,652.40

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Solution

The fourth proportional to 1,091,793.94, 1,638,198.16 and 417,652.40 is: 626,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,793.94 : 1,638,198.16 = 417,652.40 : x
  2. Step 2: Convert to fraction form
    1,091,793.94/1,638,198.16 = 417,652.40/x
  3. Step 3: Cross multiply
    1,091,793.94x = 1,638,198.16 × 417,652.40
  4. Step 4: Simplify right side
    1,091,793.94x = 684,197,393,199.58
  5. Step 5: Solve for x
    x = 684,197,393,199.58/1,091,793.94
  6. Step 6: Final answer
    x = 626,672.64

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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.