Home / 1,455,923.64-2,183,891.07-445,041.72

Finding the Fourth Proportional to 1,455,923.64, 2,183,891.07 and 445,041.72

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Solution

The fourth proportional to 1,455,923.64, 2,183,891.07 and 445,041.72 is: 667,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,923.64 : 2,183,891.07 = 445,041.72 : x
  2. Step 2: Convert to fraction form
    1,455,923.64/2,183,891.07 = 445,041.72/x
  3. Step 3: Cross multiply
    1,455,923.64x = 2,183,891.07 × 445,041.72
  4. Step 4: Simplify right side
    1,455,923.64x = 971,922,638,085.44
  5. Step 5: Solve for x
    x = 971,922,638,085.44/1,455,923.64
  6. Step 6: Final answer
    x = 667,564.29

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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.