Home / 1,918,910.40-2,648,137.64-1,059,524.97

Finding the Fourth Proportional to 1,918,910.40, 2,648,137.64 and 1,059,524.97

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Solution

The fourth proportional to 1,918,910.40, 2,648,137.64 and 1,059,524.97 is: 1,462,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,910.40 : 2,648,137.64 = 1,059,524.97 : x
  2. Step 2: Convert to fraction form
    1,918,910.40/2,648,137.64 = 1,059,524.97/x
  3. Step 3: Cross multiply
    1,918,910.40x = 2,648,137.64 × 1,059,524.97
  4. Step 4: Simplify right side
    1,918,910.40x = 2,805,767,948,279.25
  5. Step 5: Solve for x
    x = 2,805,767,948,279.25/1,918,910.40
  6. Step 6: Final answer
    x = 1,462,167.25

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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.