Home / 1,673,890.20-2,309,941.26-909,963

Finding the Fourth Proportional to 1,673,890.20, 2,309,941.26 and 909,963

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Solution

The fourth proportional to 1,673,890.20, 2,309,941.26 and 909,963 is: 1,255,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,890.20 : 2,309,941.26 = 909,963 : x
  2. Step 2: Convert to fraction form
    1,673,890.20/2,309,941.26 = 909,963/x
  3. Step 3: Cross multiply
    1,673,890.20x = 2,309,941.26 × 909,963
  4. Step 4: Simplify right side
    1,673,890.20x = 2,101,961,078,773.38
  5. Step 5: Solve for x
    x = 2,101,961,078,773.38/1,673,890.20
  6. Step 6: Final answer
    x = 1,255,734.14

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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.