Home / 1,367,289.57-1,886,897.65-755,481.75

Finding the Fourth Proportional to 1,367,289.57, 1,886,897.65 and 755,481.75

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Solution

The fourth proportional to 1,367,289.57, 1,886,897.65 and 755,481.75 is: 1,042,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,289.57 : 1,886,897.65 = 755,481.75 : x
  2. Step 2: Convert to fraction form
    1,367,289.57/1,886,897.65 = 755,481.75/x
  3. Step 3: Cross multiply
    1,367,289.57x = 1,886,897.65 × 755,481.75
  4. Step 4: Simplify right side
    1,367,289.57x = 1,425,516,741,758.64
  5. Step 5: Solve for x
    x = 1,425,516,741,758.64/1,367,289.57
  6. Step 6: Final answer
    x = 1,042,585.84

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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.