Home / 1,006,724.07-1,389,279.42-554,015.07

Finding the Fourth Proportional to 1,006,724.07, 1,389,279.42 and 554,015.07

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Solution

The fourth proportional to 1,006,724.07, 1,389,279.42 and 554,015.07 is: 764,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,724.07 : 1,389,279.42 = 554,015.07 : x
  2. Step 2: Convert to fraction form
    1,006,724.07/1,389,279.42 = 554,015.07/x
  3. Step 3: Cross multiply
    1,006,724.07x = 1,389,279.42 × 554,015.07
  4. Step 4: Simplify right side
    1,006,724.07x = 769,681,735,120.86
  5. Step 5: Solve for x
    x = 769,681,735,120.86/1,006,724.07
  6. Step 6: Final answer
    x = 764,540.91

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1.5x scale

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.