Home / 1,262,731.32-1,742,540.56-689,774.04

Finding the Fourth Proportional to 1,262,731.32, 1,742,540.56 and 689,774.04

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Solution

The fourth proportional to 1,262,731.32, 1,742,540.56 and 689,774.04 is: 951,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,731.32 : 1,742,540.56 = 689,774.04 : x
  2. Step 2: Convert to fraction form
    1,262,731.32/1,742,540.56 = 689,774.04/x
  3. Step 3: Cross multiply
    1,262,731.32x = 1,742,540.56 × 689,774.04
  4. Step 4: Simplify right side
    1,262,731.32x = 1,201,959,241,935.06
  5. Step 5: Solve for x
    x = 1,201,959,241,935.06/1,262,731.32
  6. Step 6: Final answer
    x = 951,872.52

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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.