Home / 1,431,677.16-2,147,183.64-632,523.06

Finding the Fourth Proportional to 1,431,677.16, 2,147,183.64 and 632,523.06

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Solution

The fourth proportional to 1,431,677.16, 2,147,183.64 and 632,523.06 is: 948,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,677.16 : 2,147,183.64 = 632,523.06 : x
  2. Step 2: Convert to fraction form
    1,431,677.16/2,147,183.64 = 632,523.06/x
  3. Step 3: Cross multiply
    1,431,677.16x = 2,147,183.64 × 632,523.06
  4. Step 4: Simplify right side
    1,431,677.16x = 1,358,143,166,354.74
  5. Step 5: Solve for x
    x = 1,358,143,166,354.74/1,431,677.16
  6. Step 6: Final answer
    x = 948,637.87

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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.