Home / 1,010,164.74-1,514,801.14-378,635.70

Finding the Fourth Proportional to 1,010,164.74, 1,514,801.14 and 378,635.70

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Solution

The fourth proportional to 1,010,164.74, 1,514,801.14 and 378,635.70 is: 567,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,164.74 : 1,514,801.14 = 378,635.70 : x
  2. Step 2: Convert to fraction form
    1,010,164.74/1,514,801.14 = 378,635.70/x
  3. Step 3: Cross multiply
    1,010,164.74x = 1,514,801.14 × 378,635.70
  4. Step 4: Simplify right side
    1,010,164.74x = 573,557,790,004.70
  5. Step 5: Solve for x
    x = 573,557,790,004.70/1,010,164.74
  6. Step 6: Final answer
    x = 567,786.39

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Double scale
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1.5x scale

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.