Home / 1,800,611.40-2,702,885.40-1,127,452.80

Finding the Fourth Proportional to 1,800,611.40, 2,702,885.40 and 1,127,452.80

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Solution

The fourth proportional to 1,800,611.40, 2,702,885.40 and 1,127,452.80 is: 1,692,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,611.40 : 2,702,885.40 = 1,127,452.80 : x
  2. Step 2: Convert to fraction form
    1,800,611.40/2,702,885.40 = 1,127,452.80/x
  3. Step 3: Cross multiply
    1,800,611.40x = 2,702,885.40 × 1,127,452.80
  4. Step 4: Simplify right side
    1,800,611.40x = 3,047,375,712,309.12
  5. Step 5: Solve for x
    x = 3,047,375,712,309.12/1,800,611.40
  6. Step 6: Final answer
    x = 1,692,411.65

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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.