Home / 1,315,092.64-1,814,820.24-711,467.68

Finding the Fourth Proportional to 1,315,092.64, 1,814,820.24 and 711,467.68

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Solution

The fourth proportional to 1,315,092.64, 1,814,820.24 and 711,467.68 is: 981,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,092.64 : 1,814,820.24 = 711,467.68 : x
  2. Step 2: Convert to fraction form
    1,315,092.64/1,814,820.24 = 711,467.68/x
  3. Step 3: Cross multiply
    1,315,092.64x = 1,814,820.24 × 711,467.68
  4. Step 4: Simplify right side
    1,315,092.64x = 1,291,185,945,769.84
  5. Step 5: Solve for x
    x = 1,291,185,945,769.84/1,315,092.64
  6. Step 6: Final answer
    x = 981,821.29

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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.