Home / 1,262,330.46-1,742,022.43-689,370.62

Finding the Fourth Proportional to 1,262,330.46, 1,742,022.43 and 689,370.62

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Solution

The fourth proportional to 1,262,330.46, 1,742,022.43 and 689,370.62 is: 951,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,330.46 : 1,742,022.43 = 689,370.62 : x
  2. Step 2: Convert to fraction form
    1,262,330.46/1,742,022.43 = 689,370.62/x
  3. Step 3: Cross multiply
    1,262,330.46x = 1,742,022.43 × 689,370.62
  4. Step 4: Simplify right side
    1,262,330.46x = 1,200,899,072,189.47
  5. Step 5: Solve for x
    x = 1,200,899,072,189.47/1,262,330.46
  6. Step 6: Final answer
    x = 951,334.94

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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.