Home / 1,322,467.17-1,983,887.57-423,698.67

Finding the Fourth Proportional to 1,322,467.17, 1,983,887.57 and 423,698.67

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Solution

The fourth proportional to 1,322,467.17, 1,983,887.57 and 423,698.67 is: 635,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,467.17 : 1,983,887.57 = 423,698.67 : x
  2. Step 2: Convert to fraction form
    1,322,467.17/1,983,887.57 = 423,698.67/x
  3. Step 3: Cross multiply
    1,322,467.17x = 1,983,887.57 × 423,698.67
  4. Step 4: Simplify right side
    1,322,467.17x = 840,570,522,720.04
  5. Step 5: Solve for x
    x = 840,570,522,720.04/1,322,467.17
  6. Step 6: Final answer
    x = 635,607.86

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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.