Home / 1,431,110.30-2,146,650.32-366,143.90

Finding the Fourth Proportional to 1,431,110.30, 2,146,650.32 and 366,143.90

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Solution

The fourth proportional to 1,431,110.30, 2,146,650.32 and 366,143.90 is: 549,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,110.30 : 2,146,650.32 = 366,143.90 : x
  2. Step 2: Convert to fraction form
    1,431,110.30/2,146,650.32 = 366,143.90/x
  3. Step 3: Cross multiply
    1,431,110.30x = 2,146,650.32 × 366,143.90
  4. Step 4: Simplify right side
    1,431,110.30x = 785,982,920,101.05
  5. Step 5: Solve for x
    x = 785,982,920,101.05/1,431,110.30
  6. Step 6: Final answer
    x = 549,211.98

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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.