Home / 1,370,508.70-1,891,279.11-758,648.52

Finding the Fourth Proportional to 1,370,508.70, 1,891,279.11 and 758,648.52

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Solution

The fourth proportional to 1,370,508.70, 1,891,279.11 and 758,648.52 is: 1,046,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,508.70 : 1,891,279.11 = 758,648.52 : x
  2. Step 2: Convert to fraction form
    1,370,508.70/1,891,279.11 = 758,648.52/x
  3. Step 3: Cross multiply
    1,370,508.70x = 1,891,279.11 × 758,648.52
  4. Step 4: Simplify right side
    1,370,508.70x = 1,434,816,097,708.42
  5. Step 5: Solve for x
    x = 1,434,816,097,708.42/1,370,508.70
  6. Step 6: Final answer
    x = 1,046,922.28

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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.