Home / 1,945,584.48-2,684,702.69-1,129,628.80

Finding the Fourth Proportional to 1,945,584.48, 2,684,702.69 and 1,129,628.80

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Solution

The fourth proportional to 1,945,584.48, 2,684,702.69 and 1,129,628.80 is: 1,558,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,584.48 : 2,684,702.69 = 1,129,628.80 : x
  2. Step 2: Convert to fraction form
    1,945,584.48/2,684,702.69 = 1,129,628.80/x
  3. Step 3: Cross multiply
    1,945,584.48x = 2,684,702.69 × 1,129,628.80
  4. Step 4: Simplify right side
    1,945,584.48x = 3,032,717,474,173.79
  5. Step 5: Solve for x
    x = 3,032,717,474,173.79/1,945,584.48
  6. Step 6: Final answer
    x = 1,558,769.36

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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.