Home / 1,312,835.44-1,969,078.20-366,126.88

Finding the Fourth Proportional to 1,312,835.44, 1,969,078.20 and 366,126.88

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Solution

The fourth proportional to 1,312,835.44, 1,969,078.20 and 366,126.88 is: 549,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,835.44 : 1,969,078.20 = 366,126.88 : x
  2. Step 2: Convert to fraction form
    1,312,835.44/1,969,078.20 = 366,126.88/x
  3. Step 3: Cross multiply
    1,312,835.44x = 1,969,078.20 × 366,126.88
  4. Step 4: Simplify right side
    1,312,835.44x = 720,932,457,842.02
  5. Step 5: Solve for x
    x = 720,932,457,842.02/1,312,835.44
  6. Step 6: Final answer
    x = 549,141.53

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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.