Home / 1,242,635.73-1,860,964.07-708,537.57

Finding the Fourth Proportional to 1,242,635.73, 1,860,964.07 and 708,537.57

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Solution

The fourth proportional to 1,242,635.73, 1,860,964.07 and 708,537.57 is: 1,061,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,635.73 : 1,860,964.07 = 708,537.57 : x
  2. Step 2: Convert to fraction form
    1,242,635.73/1,860,964.07 = 708,537.57/x
  3. Step 3: Cross multiply
    1,242,635.73x = 1,860,964.07 × 708,537.57
  4. Step 4: Simplify right side
    1,242,635.73x = 1,318,562,956,472.42
  5. Step 5: Solve for x
    x = 1,318,562,956,472.42/1,242,635.73
  6. Step 6: Final answer
    x = 1,061,101.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.