Home / 1,436,636.90-2,154,955.35-798,907.70

Finding the Fourth Proportional to 1,436,636.90, 2,154,955.35 and 798,907.70

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Solution

The fourth proportional to 1,436,636.90, 2,154,955.35 and 798,907.70 is: 1,198,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,636.90 : 2,154,955.35 = 798,907.70 : x
  2. Step 2: Convert to fraction form
    1,436,636.90/2,154,955.35 = 798,907.70/x
  3. Step 3: Cross multiply
    1,436,636.90x = 2,154,955.35 × 798,907.70
  4. Step 4: Simplify right side
    1,436,636.90x = 1,721,610,422,271.20
  5. Step 5: Solve for x
    x = 1,721,610,422,271.20/1,436,636.90
  6. Step 6: Final answer
    x = 1,198,361.55

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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.