Home / 1,115,034.09-1,672,483.46-395,411.39

Finding the Fourth Proportional to 1,115,034.09, 1,672,483.46 and 395,411.39

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Solution

The fourth proportional to 1,115,034.09, 1,672,483.46 and 395,411.39 is: 593,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,034.09 : 1,672,483.46 = 395,411.39 : x
  2. Step 2: Convert to fraction form
    1,115,034.09/1,672,483.46 = 395,411.39/x
  3. Step 3: Cross multiply
    1,115,034.09x = 1,672,483.46 × 395,411.39
  4. Step 4: Simplify right side
    1,115,034.09x = 661,318,999,331.14
  5. Step 5: Solve for x
    x = 661,318,999,331.14/1,115,034.09
  6. Step 6: Final answer
    x = 593,093.08

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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.