Home / 816,117.30-1,143,745.20-816,117.30

Finding the Fourth Proportional to 816,117.30, 1,143,745.20 and 816,117.30

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Solution

The fourth proportional to 816,117.30, 1,143,745.20 and 816,117.30 is: 1,143,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,117.30 : 1,143,745.20 = 816,117.30 : x
  2. Step 2: Convert to fraction form
    816,117.30/1,143,745.20 = 816,117.30/x
  3. Step 3: Cross multiply
    816,117.30x = 1,143,745.20 × 816,117.30
  4. Step 4: Simplify right side
    816,117.30x = 933,430,244,511.96
  5. Step 5: Solve for x
    x = 933,430,244,511.96/816,117.30
  6. Step 6: Final answer
    x = 1,143,745.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.