Home / 1,255,446.45-1,732,508.87-711,684.81

Finding the Fourth Proportional to 1,255,446.45, 1,732,508.87 and 711,684.81

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Solution

The fourth proportional to 1,255,446.45, 1,732,508.87 and 711,684.81 is: 982,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,446.45 : 1,732,508.87 = 711,684.81 : x
  2. Step 2: Convert to fraction form
    1,255,446.45/1,732,508.87 = 711,684.81/x
  3. Step 3: Cross multiply
    1,255,446.45x = 1,732,508.87 × 711,684.81
  4. Step 4: Simplify right side
    1,255,446.45x = 1,233,000,242,410.84
  5. Step 5: Solve for x
    x = 1,233,000,242,410.84/1,255,446.45
  6. Step 6: Final answer
    x = 982,120.94

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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.