Home / 1,019,647.09-1,529,470.50-485,548.75

Finding the Fourth Proportional to 1,019,647.09, 1,529,470.50 and 485,548.75

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Solution

The fourth proportional to 1,019,647.09, 1,529,470.50 and 485,548.75 is: 728,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,647.09 : 1,529,470.50 = 485,548.75 : x
  2. Step 2: Convert to fraction form
    1,019,647.09/1,529,470.50 = 485,548.75/x
  3. Step 3: Cross multiply
    1,019,647.09x = 1,529,470.50 × 485,548.75
  4. Step 4: Simplify right side
    1,019,647.09x = 742,632,489,436.88
  5. Step 5: Solve for x
    x = 742,632,489,436.88/1,019,647.09
  6. Step 6: Final answer
    x = 728,323.06

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Double scale
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1.5x scale

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.