Home / 1,078,843.70-1,618,654.35-448,210.10

Finding the Fourth Proportional to 1,078,843.70, 1,618,654.35 and 448,210.10

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Solution

The fourth proportional to 1,078,843.70, 1,618,654.35 and 448,210.10 is: 672,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,843.70 : 1,618,654.35 = 448,210.10 : x
  2. Step 2: Convert to fraction form
    1,078,843.70/1,618,654.35 = 448,210.10/x
  3. Step 3: Cross multiply
    1,078,843.70x = 1,618,654.35 × 448,210.10
  4. Step 4: Simplify right side
    1,078,843.70x = 725,497,228,078.94
  5. Step 5: Solve for x
    x = 725,497,228,078.94/1,078,843.70
  6. Step 6: Final answer
    x = 672,476.68

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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.