Home / 1,631,601.76-2,447,749.32-684,426.64

Finding the Fourth Proportional to 1,631,601.76, 2,447,749.32 and 684,426.64

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Solution

The fourth proportional to 1,631,601.76, 2,447,749.32 and 684,426.64 is: 1,026,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,601.76 : 2,447,749.32 = 684,426.64 : x
  2. Step 2: Convert to fraction form
    1,631,601.76/2,447,749.32 = 684,426.64/x
  3. Step 3: Cross multiply
    1,631,601.76x = 2,447,749.32 × 684,426.64
  4. Step 4: Simplify right side
    1,631,601.76x = 1,675,304,842,649.88
  5. Step 5: Solve for x
    x = 1,675,304,842,649.88/1,631,601.76
  6. Step 6: Final answer
    x = 1,026,785.39

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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.