Home / 1,375,136.88-2,063,072.16-476,577.87

Finding the Fourth Proportional to 1,375,136.88, 2,063,072.16 and 476,577.87

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Solution

The fourth proportional to 1,375,136.88, 2,063,072.16 and 476,577.87 is: 714,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,136.88 : 2,063,072.16 = 476,577.87 : x
  2. Step 2: Convert to fraction form
    1,375,136.88/2,063,072.16 = 476,577.87/x
  3. Step 3: Cross multiply
    1,375,136.88x = 2,063,072.16 × 476,577.87
  4. Step 4: Simplify right side
    1,375,136.88x = 983,214,535,669.10
  5. Step 5: Solve for x
    x = 983,214,535,669.10/1,375,136.88
  6. Step 6: Final answer
    x = 714,993.94

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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.