Home / 1,778,578.94-2,667,859.49-430,741.51

Finding the Fourth Proportional to 1,778,578.94, 2,667,859.49 and 430,741.51

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Solution

The fourth proportional to 1,778,578.94, 2,667,859.49 and 430,741.51 is: 646,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,578.94 : 2,667,859.49 = 430,741.51 : x
  2. Step 2: Convert to fraction form
    1,778,578.94/2,667,859.49 = 430,741.51/x
  3. Step 3: Cross multiply
    1,778,578.94x = 2,667,859.49 × 430,741.51
  4. Step 4: Simplify right side
    1,778,578.94x = 1,149,157,819,597.64
  5. Step 5: Solve for x
    x = 1,149,157,819,597.64/1,778,578.94
  6. Step 6: Final answer
    x = 646,110.10

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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.