Home / 1,322,018.92-1,983,075.37-423,343.88

Finding the Fourth Proportional to 1,322,018.92, 1,983,075.37 and 423,343.88

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Solution

The fourth proportional to 1,322,018.92, 1,983,075.37 and 423,343.88 is: 635,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,018.92 : 1,983,075.37 = 423,343.88 : x
  2. Step 2: Convert to fraction form
    1,322,018.92/1,983,075.37 = 423,343.88/x
  3. Step 3: Cross multiply
    1,322,018.92x = 1,983,075.37 × 423,343.88
  4. Step 4: Simplify right side
    1,322,018.92x = 839,522,821,468.24
  5. Step 5: Solve for x
    x = 839,522,821,468.24/1,322,018.92
  6. Step 6: Final answer
    x = 635,030.87

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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.