Home / 1,693,248.70-2,336,684.72-918,879.54

Finding the Fourth Proportional to 1,693,248.70, 2,336,684.72 and 918,879.54

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Solution

The fourth proportional to 1,693,248.70, 2,336,684.72 and 918,879.54 is: 1,268,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,248.70 : 2,336,684.72 = 918,879.54 : x
  2. Step 2: Convert to fraction form
    1,693,248.70/2,336,684.72 = 918,879.54/x
  3. Step 3: Cross multiply
    1,693,248.70x = 2,336,684.72 × 918,879.54
  4. Step 4: Simplify right side
    1,693,248.70x = 2,147,131,780,638.63
  5. Step 5: Solve for x
    x = 2,147,131,780,638.63/1,693,248.70
  6. Step 6: Final answer
    x = 1,268,054.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.