Home / 1,262,734.32-1,742,544.70-689,777.04

Finding the Fourth Proportional to 1,262,734.32, 1,742,544.70 and 689,777.04

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Solution

The fourth proportional to 1,262,734.32, 1,742,544.70 and 689,777.04 is: 951,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,734.32 : 1,742,544.70 = 689,777.04 : x
  2. Step 2: Convert to fraction form
    1,262,734.32/1,742,544.70 = 689,777.04/x
  3. Step 3: Cross multiply
    1,262,734.32x = 1,742,544.70 × 689,777.04
  4. Step 4: Simplify right side
    1,262,734.32x = 1,201,967,325,233.69
  5. Step 5: Solve for x
    x = 1,201,967,325,233.69/1,262,734.32
  6. Step 6: Final answer
    x = 951,876.66

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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.