Home / 1,171,035.48-1,615,383.36-808,649.64

Finding the Fourth Proportional to 1,171,035.48, 1,615,383.36 and 808,649.64

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Solution

The fourth proportional to 1,171,035.48, 1,615,383.36 and 808,649.64 is: 1,115,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,035.48 : 1,615,383.36 = 808,649.64 : x
  2. Step 2: Convert to fraction form
    1,171,035.48/1,615,383.36 = 808,649.64/x
  3. Step 3: Cross multiply
    1,171,035.48x = 1,615,383.36 × 808,649.64
  4. Step 4: Simplify right side
    1,171,035.48x = 1,306,279,172,525.99
  5. Step 5: Solve for x
    x = 1,306,279,172,525.99/1,171,035.48
  6. Step 6: Final answer
    x = 1,115,490.69

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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.