Home / 1,765,138.56-2,648,826.72-754,267.50

Finding the Fourth Proportional to 1,765,138.56, 2,648,826.72 and 754,267.50

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Solution

The fourth proportional to 1,765,138.56, 2,648,826.72 and 754,267.50 is: 1,131,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,138.56 : 2,648,826.72 = 754,267.50 : x
  2. Step 2: Convert to fraction form
    1,765,138.56/2,648,826.72 = 754,267.50/x
  3. Step 3: Cross multiply
    1,765,138.56x = 2,648,826.72 × 754,267.50
  4. Step 4: Simplify right side
    1,765,138.56x = 1,997,923,908,027.60
  5. Step 5: Solve for x
    x = 1,997,923,908,027.60/1,765,138.56
  6. Step 6: Final answer
    x = 1,131,879.36

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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.