Home / 1,420,433.40-2,127,885.30-857,796.60

Finding the Fourth Proportional to 1,420,433.40, 2,127,885.30 and 857,796.60

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Solution

The fourth proportional to 1,420,433.40, 2,127,885.30 and 857,796.60 is: 1,285,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,433.40 : 2,127,885.30 = 857,796.60 : x
  2. Step 2: Convert to fraction form
    1,420,433.40/2,127,885.30 = 857,796.60/x
  3. Step 3: Cross multiply
    1,420,433.40x = 2,127,885.30 × 857,796.60
  4. Step 4: Simplify right side
    1,420,433.40x = 1,825,292,775,529.98
  5. Step 5: Solve for x
    x = 1,825,292,775,529.98/1,420,433.40
  6. Step 6: Final answer
    x = 1,285,025.24

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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.