Home / 1,176,050.10-1,621,231.27-831,277.76

Finding the Fourth Proportional to 1,176,050.10, 1,621,231.27 and 831,277.76

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Solution

The fourth proportional to 1,176,050.10, 1,621,231.27 and 831,277.76 is: 1,145,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,050.10 : 1,621,231.27 = 831,277.76 : x
  2. Step 2: Convert to fraction form
    1,176,050.10/1,621,231.27 = 831,277.76/x
  3. Step 3: Cross multiply
    1,176,050.10x = 1,621,231.27 × 831,277.76
  4. Step 4: Simplify right side
    1,176,050.10x = 1,347,693,488,383.20
  5. Step 5: Solve for x
    x = 1,347,693,488,383.20/1,176,050.10
  6. Step 6: Final answer
    x = 1,145,949.04

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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.