Home / 1,262,349.43-1,742,056.06-689,406.46

Finding the Fourth Proportional to 1,262,349.43, 1,742,056.06 and 689,406.46

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Solution

The fourth proportional to 1,262,349.43, 1,742,056.06 and 689,406.46 is: 951,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,349.43 : 1,742,056.06 = 689,406.46 : x
  2. Step 2: Convert to fraction form
    1,262,349.43/1,742,056.06 = 689,406.46/x
  3. Step 3: Cross multiply
    1,262,349.43x = 1,742,056.06 × 689,406.46
  4. Step 4: Simplify right side
    1,262,349.43x = 1,200,984,701,446.15
  5. Step 5: Solve for x
    x = 1,200,984,701,446.15/1,262,349.43
  6. Step 6: Final answer
    x = 951,388.48

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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.