Home / 1,290,052.73-1,780,292.52-709,301.03

Finding the Fourth Proportional to 1,290,052.73, 1,780,292.52 and 709,301.03

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Solution

The fourth proportional to 1,290,052.73, 1,780,292.52 and 709,301.03 is: 978,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,052.73 : 1,780,292.52 = 709,301.03 : x
  2. Step 2: Convert to fraction form
    1,290,052.73/1,780,292.52 = 709,301.03/x
  3. Step 3: Cross multiply
    1,290,052.73x = 1,780,292.52 × 709,301.03
  4. Step 4: Simplify right side
    1,290,052.73x = 1,262,763,309,235.83
  5. Step 5: Solve for x
    x = 1,262,763,309,235.83/1,290,052.73
  6. Step 6: Final answer
    x = 978,846.27

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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.