Home / 1,660,062.54-2,290,971.57-1,015,280.25

Finding the Fourth Proportional to 1,660,062.54, 2,290,971.57 and 1,015,280.25

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Solution

The fourth proportional to 1,660,062.54, 2,290,971.57 and 1,015,280.25 is: 1,401,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,062.54 : 2,290,971.57 = 1,015,280.25 : x
  2. Step 2: Convert to fraction form
    1,660,062.54/2,290,971.57 = 1,015,280.25/x
  3. Step 3: Cross multiply
    1,660,062.54x = 2,290,971.57 × 1,015,280.25
  4. Step 4: Simplify right side
    1,660,062.54x = 2,325,978,188,332.49
  5. Step 5: Solve for x
    x = 2,325,978,188,332.49/1,660,062.54
  6. Step 6: Final answer
    x = 1,401,138.89

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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.