Home / 1,602,743.70-2,211,789.88-867,705.72

Finding the Fourth Proportional to 1,602,743.70, 2,211,789.88 and 867,705.72

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Solution

The fourth proportional to 1,602,743.70, 2,211,789.88 and 867,705.72 is: 1,197,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,743.70 : 2,211,789.88 = 867,705.72 : x
  2. Step 2: Convert to fraction form
    1,602,743.70/2,211,789.88 = 867,705.72/x
  3. Step 3: Cross multiply
    1,602,743.70x = 2,211,789.88 × 867,705.72
  4. Step 4: Simplify right side
    1,602,743.70x = 1,919,182,725,571.22
  5. Step 5: Solve for x
    x = 1,919,182,725,571.22/1,602,743.70
  6. Step 6: Final answer
    x = 1,197,435.83

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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.