Home / 1,280,666.92-1,767,325.86-699,901.96

Finding the Fourth Proportional to 1,280,666.92, 1,767,325.86 and 699,901.96

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Solution

The fourth proportional to 1,280,666.92, 1,767,325.86 and 699,901.96 is: 965,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,666.92 : 1,767,325.86 = 699,901.96 : x
  2. Step 2: Convert to fraction form
    1,280,666.92/1,767,325.86 = 699,901.96/x
  3. Step 3: Cross multiply
    1,280,666.92x = 1,767,325.86 × 699,901.96
  4. Step 4: Simplify right side
    1,280,666.92x = 1,236,954,833,372.69
  5. Step 5: Solve for x
    x = 1,236,954,833,372.69/1,280,666.92
  6. Step 6: Final answer
    x = 965,867.72

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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.