Home / 1,079,139.44-1,488,981.40-626,187.44

Finding the Fourth Proportional to 1,079,139.44, 1,488,981.40 and 626,187.44

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Solution

The fourth proportional to 1,079,139.44, 1,488,981.40 and 626,187.44 is: 864,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,139.44 : 1,488,981.40 = 626,187.44 : x
  2. Step 2: Convert to fraction form
    1,079,139.44/1,488,981.40 = 626,187.44/x
  3. Step 3: Cross multiply
    1,079,139.44x = 1,488,981.40 × 626,187.44
  4. Step 4: Simplify right side
    1,079,139.44x = 932,381,451,073.62
  5. Step 5: Solve for x
    x = 932,381,451,073.62/1,079,139.44
  6. Step 6: Final answer
    x = 864,004.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.