Home / 1,431,342.68-2,147,012.64-366,383.03

Finding the Fourth Proportional to 1,431,342.68, 2,147,012.64 and 366,383.03

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Solution

The fourth proportional to 1,431,342.68, 2,147,012.64 and 366,383.03 is: 549,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,342.68 : 2,147,012.64 = 366,383.03 : x
  2. Step 2: Convert to fraction form
    1,431,342.68/2,147,012.64 = 366,383.03/x
  3. Step 3: Cross multiply
    1,431,342.68x = 2,147,012.64 × 366,383.03
  4. Step 4: Simplify right side
    1,431,342.68x = 786,628,985,756.44
  5. Step 5: Solve for x
    x = 786,628,985,756.44/1,431,342.68
  6. Step 6: Final answer
    x = 549,574.19

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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.