Home / 1,262,728.32-1,742,536.44-689,771.04

Finding the Fourth Proportional to 1,262,728.32, 1,742,536.44 and 689,771.04

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Solution

The fourth proportional to 1,262,728.32, 1,742,536.44 and 689,771.04 is: 951,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,728.32 : 1,742,536.44 = 689,771.04 : x
  2. Step 2: Convert to fraction form
    1,262,728.32/1,742,536.44 = 689,771.04/x
  3. Step 3: Cross multiply
    1,262,728.32x = 1,742,536.44 × 689,771.04
  4. Step 4: Simplify right side
    1,262,728.32x = 1,201,951,172,456.70
  5. Step 5: Solve for x
    x = 1,201,951,172,456.70/1,262,728.32
  6. Step 6: Final answer
    x = 951,868.39

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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.