Home / 1,918,855.38-2,648,003.49-1,059,397.30

Finding the Fourth Proportional to 1,918,855.38, 2,648,003.49 and 1,059,397.30

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Solution

The fourth proportional to 1,918,855.38, 2,648,003.49 and 1,059,397.30 is: 1,461,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,855.38 : 2,648,003.49 = 1,059,397.30 : x
  2. Step 2: Convert to fraction form
    1,918,855.38/2,648,003.49 = 1,059,397.30/x
  3. Step 3: Cross multiply
    1,918,855.38x = 2,648,003.49 × 1,059,397.30
  4. Step 4: Simplify right side
    1,918,855.38x = 2,805,287,747,696.58
  5. Step 5: Solve for x
    x = 2,805,287,747,696.58/1,918,855.38
  6. Step 6: Final answer
    x = 1,461,958.92

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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.