Home / 1,158,042.70-1,736,286.45-618,388.30

Finding the Fourth Proportional to 1,158,042.70, 1,736,286.45 and 618,388.30

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Solution

The fourth proportional to 1,158,042.70, 1,736,286.45 and 618,388.30 is: 927,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,042.70 : 1,736,286.45 = 618,388.30 : x
  2. Step 2: Convert to fraction form
    1,158,042.70/1,736,286.45 = 618,388.30/x
  3. Step 3: Cross multiply
    1,158,042.70x = 1,736,286.45 × 618,388.30
  4. Step 4: Simplify right side
    1,158,042.70x = 1,073,699,226,128.54
  5. Step 5: Solve for x
    x = 1,073,699,226,128.54/1,158,042.70
  6. Step 6: Final answer
    x = 927,167.22

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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.