Home / 1,314,944.40-1,972,416.60-683,776.20

Finding the Fourth Proportional to 1,314,944.40, 1,972,416.60 and 683,776.20

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Solution

The fourth proportional to 1,314,944.40, 1,972,416.60 and 683,776.20 is: 1,025,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,944.40 : 1,972,416.60 = 683,776.20 : x
  2. Step 2: Convert to fraction form
    1,314,944.40/1,972,416.60 = 683,776.20/x
  3. Step 3: Cross multiply
    1,314,944.40x = 1,972,416.60 × 683,776.20
  4. Step 4: Simplify right side
    1,314,944.40x = 1,348,691,527,564.92
  5. Step 5: Solve for x
    x = 1,348,691,527,564.92/1,314,944.40
  6. Step 6: Final answer
    x = 1,025,664.30

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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.