Home / 1,603,000.83-2,212,144.35-867,963.12

Finding the Fourth Proportional to 1,603,000.83, 2,212,144.35 and 867,963.12

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Solution

The fourth proportional to 1,603,000.83, 2,212,144.35 and 867,963.12 is: 1,197,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,000.83 : 2,212,144.35 = 867,963.12 : x
  2. Step 2: Convert to fraction form
    1,603,000.83/2,212,144.35 = 867,963.12/x
  3. Step 3: Cross multiply
    1,603,000.83x = 2,212,144.35 × 867,963.12
  4. Step 4: Simplify right side
    1,603,000.83x = 1,920,059,709,028.77
  5. Step 5: Solve for x
    x = 1,920,059,709,028.77/1,603,000.83
  6. Step 6: Final answer
    x = 1,197,790.84

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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.