Home / 1,263,811.40-1,895,717.10-1,255,938.20

Finding the Fourth Proportional to 1,263,811.40, 1,895,717.10 and 1,255,938.20

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Solution

The fourth proportional to 1,263,811.40, 1,895,717.10 and 1,255,938.20 is: 1,883,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,811.40 : 1,895,717.10 = 1,255,938.20 : x
  2. Step 2: Convert to fraction form
    1,263,811.40/1,895,717.10 = 1,255,938.20/x
  3. Step 3: Cross multiply
    1,263,811.40x = 1,895,717.10 × 1,255,938.20
  4. Step 4: Simplify right side
    1,263,811.40x = 2,380,903,522,283.22
  5. Step 5: Solve for x
    x = 2,380,903,522,283.22/1,263,811.40
  6. Step 6: Final answer
    x = 1,883,907.30

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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.