Home / 1,019,620.40-1,529,430.60-889,712.60

Finding the Fourth Proportional to 1,019,620.40, 1,529,430.60 and 889,712.60

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Solution

The fourth proportional to 1,019,620.40, 1,529,430.60 and 889,712.60 is: 1,334,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,620.40 : 1,529,430.60 = 889,712.60 : x
  2. Step 2: Convert to fraction form
    1,019,620.40/1,529,430.60 = 889,712.60/x
  3. Step 3: Cross multiply
    1,019,620.40x = 1,529,430.60 × 889,712.60
  4. Step 4: Simplify right side
    1,019,620.40x = 1,360,753,675,645.56
  5. Step 5: Solve for x
    x = 1,360,753,675,645.56/1,019,620.40
  6. Step 6: Final answer
    x = 1,334,568.90

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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.