Home / 1,311,782.34-1,810,712.68-768,092.93

Finding the Fourth Proportional to 1,311,782.34, 1,810,712.68 and 768,092.93

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Solution

The fourth proportional to 1,311,782.34, 1,810,712.68 and 768,092.93 is: 1,060,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,782.34 : 1,810,712.68 = 768,092.93 : x
  2. Step 2: Convert to fraction form
    1,311,782.34/1,810,712.68 = 768,092.93/x
  3. Step 3: Cross multiply
    1,311,782.34x = 1,810,712.68 × 768,092.93
  4. Step 4: Simplify right side
    1,311,782.34x = 1,390,795,603,585.73
  5. Step 5: Solve for x
    x = 1,390,795,603,585.73/1,311,782.34
  6. Step 6: Final answer
    x = 1,060,233.51

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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.