Home / 1,345,953.88-2,018,256.18-447,080.47

Finding the Fourth Proportional to 1,345,953.88, 2,018,256.18 and 447,080.47

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Solution

The fourth proportional to 1,345,953.88, 2,018,256.18 and 447,080.47 is: 670,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,953.88 : 2,018,256.18 = 447,080.47 : x
  2. Step 2: Convert to fraction form
    1,345,953.88/2,018,256.18 = 447,080.47/x
  3. Step 3: Cross multiply
    1,345,953.88x = 2,018,256.18 × 447,080.47
  4. Step 4: Simplify right side
    1,345,953.88x = 902,322,921,534.81
  5. Step 5: Solve for x
    x = 902,322,921,534.81/1,345,953.88
  6. Step 6: Final answer
    x = 670,396.61

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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.