Home / 1,172,284.88-1,758,374.44-488,890.28

Finding the Fourth Proportional to 1,172,284.88, 1,758,374.44 and 488,890.28

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Solution

The fourth proportional to 1,172,284.88, 1,758,374.44 and 488,890.28 is: 733,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,284.88 : 1,758,374.44 = 488,890.28 : x
  2. Step 2: Convert to fraction form
    1,172,284.88/1,758,374.44 = 488,890.28/x
  3. Step 3: Cross multiply
    1,172,284.88x = 1,758,374.44 × 488,890.28
  4. Step 4: Simplify right side
    1,172,284.88x = 859,652,172,316.44
  5. Step 5: Solve for x
    x = 859,652,172,316.44/1,172,284.88
  6. Step 6: Final answer
    x = 733,313.37

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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.