Home / 1,314,512.40-1,972,546.20-958,630.80

Finding the Fourth Proportional to 1,314,512.40, 1,972,546.20 and 958,630.80

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Solution

The fourth proportional to 1,314,512.40, 1,972,546.20 and 958,630.80 is: 1,438,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,512.40 : 1,972,546.20 = 958,630.80 : x
  2. Step 2: Convert to fraction form
    1,314,512.40/1,972,546.20 = 958,630.80/x
  3. Step 3: Cross multiply
    1,314,512.40x = 1,972,546.20 × 958,630.80
  4. Step 4: Simplify right side
    1,314,512.40x = 1,890,943,541,742.96
  5. Step 5: Solve for x
    x = 1,890,943,541,742.96/1,314,512.40
  6. Step 6: Final answer
    x = 1,438,513.28

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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.