Home / 999,717.12-1,499,581.44-408,741.12

Finding the Fourth Proportional to 999,717.12, 1,499,581.44 and 408,741.12

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Solution

The fourth proportional to 999,717.12, 1,499,581.44 and 408,741.12 is: 613,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,717.12 : 1,499,581.44 = 408,741.12 : x
  2. Step 2: Convert to fraction form
    999,717.12/1,499,581.44 = 408,741.12/x
  3. Step 3: Cross multiply
    999,717.12x = 1,499,581.44 × 408,741.12
  4. Step 4: Simplify right side
    999,717.12x = 612,940,597,316.81
  5. Step 5: Solve for x
    x = 612,940,597,316.81/999,717.12
  6. Step 6: Final answer
    x = 613,114.04

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1.5x scale

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.