Home / 1,435,610.34-1,981,230.75-791,030.43

Finding the Fourth Proportional to 1,435,610.34, 1,981,230.75 and 791,030.43

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Solution

The fourth proportional to 1,435,610.34, 1,981,230.75 and 791,030.43 is: 1,091,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,610.34 : 1,981,230.75 = 791,030.43 : x
  2. Step 2: Convert to fraction form
    1,435,610.34/1,981,230.75 = 791,030.43/x
  3. Step 3: Cross multiply
    1,435,610.34x = 1,981,230.75 × 791,030.43
  4. Step 4: Simplify right side
    1,435,610.34x = 1,567,213,812,101.72
  5. Step 5: Solve for x
    x = 1,567,213,812,101.72/1,435,610.34
  6. Step 6: Final answer
    x = 1,091,670.75

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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.