Home / 1,262,636.32-1,742,409.48-689,679.04

Finding the Fourth Proportional to 1,262,636.32, 1,742,409.48 and 689,679.04

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Solution

The fourth proportional to 1,262,636.32, 1,742,409.48 and 689,679.04 is: 951,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,636.32 : 1,742,409.48 = 689,679.04 : x
  2. Step 2: Convert to fraction form
    1,262,636.32/1,742,409.48 = 689,679.04/x
  3. Step 3: Cross multiply
    1,262,636.32x = 1,742,409.48 × 689,679.04
  4. Step 4: Simplify right side
    1,262,636.32x = 1,201,703,297,453.30
  5. Step 5: Solve for x
    x = 1,201,703,297,453.30/1,262,636.32
  6. Step 6: Final answer
    x = 951,741.43

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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.