Home / 1,107,734.88-1,661,825.04-397,818.72

Finding the Fourth Proportional to 1,107,734.88, 1,661,825.04 and 397,818.72

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Solution

The fourth proportional to 1,107,734.88, 1,661,825.04 and 397,818.72 is: 596,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,734.88 : 1,661,825.04 = 397,818.72 : x
  2. Step 2: Convert to fraction form
    1,107,734.88/1,661,825.04 = 397,818.72/x
  3. Step 3: Cross multiply
    1,107,734.88x = 1,661,825.04 × 397,818.72
  4. Step 4: Simplify right side
    1,107,734.88x = 661,105,110,276.75
  5. Step 5: Solve for x
    x = 661,105,110,276.75/1,107,734.88
  6. Step 6: Final answer
    x = 596,808.07

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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.