Home / 1,242,629-1,860,953.92-708,530.84

Finding the Fourth Proportional to 1,242,629, 1,860,953.92 and 708,530.84

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Solution

The fourth proportional to 1,242,629, 1,860,953.92 and 708,530.84 is: 1,061,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,629 : 1,860,953.92 = 708,530.84 : x
  2. Step 2: Convert to fraction form
    1,242,629/1,860,953.92 = 708,530.84/x
  3. Step 3: Cross multiply
    1,242,629x = 1,860,953.92 × 708,530.84
  4. Step 4: Simplify right side
    1,242,629x = 1,318,543,244,138.89
  5. Step 5: Solve for x
    x = 1,318,543,244,138.89/1,242,629
  6. Step 6: Final answer
    x = 1,061,091.64

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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.