Home / 909,941.60-1,364,912.40-890,258.60

Finding the Fourth Proportional to 909,941.60, 1,364,912.40 and 890,258.60

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Solution

The fourth proportional to 909,941.60, 1,364,912.40 and 890,258.60 is: 1,335,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,941.60 : 1,364,912.40 = 890,258.60 : x
  2. Step 2: Convert to fraction form
    909,941.60/1,364,912.40 = 890,258.60/x
  3. Step 3: Cross multiply
    909,941.60x = 1,364,912.40 × 890,258.60
  4. Step 4: Simplify right side
    909,941.60x = 1,215,125,002,346.64
  5. Step 5: Solve for x
    x = 1,215,125,002,346.64/909,941.60
  6. Step 6: Final answer
    x = 1,335,387.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.