Home / 1,752,667.80-2,629,001.70-687,744.60

Finding the Fourth Proportional to 1,752,667.80, 2,629,001.70 and 687,744.60

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Solution

The fourth proportional to 1,752,667.80, 2,629,001.70 and 687,744.60 is: 1,031,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,667.80 : 2,629,001.70 = 687,744.60 : x
  2. Step 2: Convert to fraction form
    1,752,667.80/2,629,001.70 = 687,744.60/x
  3. Step 3: Cross multiply
    1,752,667.80x = 2,629,001.70 × 687,744.60
  4. Step 4: Simplify right side
    1,752,667.80x = 1,808,081,722,565.82
  5. Step 5: Solve for x
    x = 1,808,081,722,565.82/1,752,667.80
  6. Step 6: Final answer
    x = 1,031,616.90

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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.