Home / 1,008,926.13-1,391,530.75-646,383.73

Finding the Fourth Proportional to 1,008,926.13, 1,391,530.75 and 646,383.73

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Solution

The fourth proportional to 1,008,926.13, 1,391,530.75 and 646,383.73 is: 891,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,926.13 : 1,391,530.75 = 646,383.73 : x
  2. Step 2: Convert to fraction form
    1,008,926.13/1,391,530.75 = 646,383.73/x
  3. Step 3: Cross multiply
    1,008,926.13x = 1,391,530.75 × 646,383.73
  4. Step 4: Simplify right side
    1,008,926.13x = 899,462,836,594.70
  5. Step 5: Solve for x
    x = 899,462,836,594.70/1,008,926.13
  6. Step 6: Final answer
    x = 891,505.15

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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.