Home / 1,219,370.76-1,682,427.65-703,282.50

Finding the Fourth Proportional to 1,219,370.76, 1,682,427.65 and 703,282.50

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Solution

The fourth proportional to 1,219,370.76, 1,682,427.65 and 703,282.50 is: 970,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,370.76 : 1,682,427.65 = 703,282.50 : x
  2. Step 2: Convert to fraction form
    1,219,370.76/1,682,427.65 = 703,282.50/x
  3. Step 3: Cross multiply
    1,219,370.76x = 1,682,427.65 × 703,282.50
  4. Step 4: Simplify right side
    1,219,370.76x = 1,183,221,923,761.13
  5. Step 5: Solve for x
    x = 1,183,221,923,761.13/1,219,370.76
  6. Step 6: Final answer
    x = 970,354.52

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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.