Home / 1,431,107.30-2,146,645.82-366,140.90

Finding the Fourth Proportional to 1,431,107.30, 2,146,645.82 and 366,140.90

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Solution

The fourth proportional to 1,431,107.30, 2,146,645.82 and 366,140.90 is: 549,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,107.30 : 2,146,645.82 = 366,140.90 : x
  2. Step 2: Convert to fraction form
    1,431,107.30/2,146,645.82 = 366,140.90/x
  3. Step 3: Cross multiply
    1,431,107.30x = 2,146,645.82 × 366,140.90
  4. Step 4: Simplify right side
    1,431,107.30x = 785,974,832,516.04
  5. Step 5: Solve for x
    x = 785,974,832,516.04/1,431,107.30
  6. Step 6: Final answer
    x = 549,207.48

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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.