Home / 1,512,078.40-2,271,496.80-1,263,246.40

Finding the Fourth Proportional to 1,512,078.40, 2,271,496.80 and 1,263,246.40

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Solution

The fourth proportional to 1,512,078.40, 2,271,496.80 and 1,263,246.40 is: 1,897,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,078.40 : 2,271,496.80 = 1,263,246.40 : x
  2. Step 2: Convert to fraction form
    1,512,078.40/2,271,496.80 = 1,263,246.40/x
  3. Step 3: Cross multiply
    1,512,078.40x = 2,271,496.80 × 1,263,246.40
  4. Step 4: Simplify right side
    1,512,078.40x = 2,869,460,155,211.52
  5. Step 5: Solve for x
    x = 2,869,460,155,211.52/1,512,078.40
  6. Step 6: Final answer
    x = 1,897,692.71

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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.