Home / 1,090,375.47-1,636,263.05-529,103.79

Finding the Fourth Proportional to 1,090,375.47, 1,636,263.05 and 529,103.79

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Solution

The fourth proportional to 1,090,375.47, 1,636,263.05 and 529,103.79 is: 793,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,375.47 : 1,636,263.05 = 529,103.79 : x
  2. Step 2: Convert to fraction form
    1,090,375.47/1,636,263.05 = 529,103.79/x
  3. Step 3: Cross multiply
    1,090,375.47x = 1,636,263.05 × 529,103.79
  4. Step 4: Simplify right side
    1,090,375.47x = 865,752,978,546.44
  5. Step 5: Solve for x
    x = 865,752,978,546.44/1,090,375.47
  6. Step 6: Final answer
    x = 793,995.28

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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.