Home / 1,327,886.12-1,990,748.65-416,600.13

Finding the Fourth Proportional to 1,327,886.12, 1,990,748.65 and 416,600.13

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Solution

The fourth proportional to 1,327,886.12, 1,990,748.65 and 416,600.13 is: 624,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,886.12 : 1,990,748.65 = 416,600.13 : x
  2. Step 2: Convert to fraction form
    1,327,886.12/1,990,748.65 = 416,600.13/x
  3. Step 3: Cross multiply
    1,327,886.12x = 1,990,748.65 × 416,600.13
  4. Step 4: Simplify right side
    1,327,886.12x = 829,346,146,387.33
  5. Step 5: Solve for x
    x = 829,346,146,387.33/1,327,886.12
  6. Step 6: Final answer
    x = 624,561.20

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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.