Home / 1,312,836.44-1,969,079.70-366,127.88

Finding the Fourth Proportional to 1,312,836.44, 1,969,079.70 and 366,127.88

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Solution

The fourth proportional to 1,312,836.44, 1,969,079.70 and 366,127.88 is: 549,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,836.44 : 1,969,079.70 = 366,127.88 : x
  2. Step 2: Convert to fraction form
    1,312,836.44/1,969,079.70 = 366,127.88/x
  3. Step 3: Cross multiply
    1,312,836.44x = 1,969,079.70 × 366,127.88
  4. Step 4: Simplify right side
    1,312,836.44x = 720,934,976,112.04
  5. Step 5: Solve for x
    x = 720,934,976,112.04/1,312,836.44
  6. Step 6: Final answer
    x = 549,143.03

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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.