Home / 1,826,781.26-2,740,183.22-478,931.76

Finding the Fourth Proportional to 1,826,781.26, 2,740,183.22 and 478,931.76

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Solution

The fourth proportional to 1,826,781.26, 2,740,183.22 and 478,931.76 is: 718,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,781.26 : 2,740,183.22 = 478,931.76 : x
  2. Step 2: Convert to fraction form
    1,826,781.26/2,740,183.22 = 478,931.76/x
  3. Step 3: Cross multiply
    1,826,781.26x = 2,740,183.22 × 478,931.76
  4. Step 4: Simplify right side
    1,826,781.26x = 1,312,360,772,277.07
  5. Step 5: Solve for x
    x = 1,312,360,772,277.07/1,826,781.26
  6. Step 6: Final answer
    x = 718,400.61

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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.