Home / 1,297,137.40-1,943,081.70-898,228.60

Finding the Fourth Proportional to 1,297,137.40, 1,943,081.70 and 898,228.60

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Solution

The fourth proportional to 1,297,137.40, 1,943,081.70 and 898,228.60 is: 1,345,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,137.40 : 1,943,081.70 = 898,228.60 : x
  2. Step 2: Convert to fraction form
    1,297,137.40/1,943,081.70 = 898,228.60/x
  3. Step 3: Cross multiply
    1,297,137.40x = 1,943,081.70 × 898,228.60
  4. Step 4: Simplify right side
    1,297,137.40x = 1,745,331,555,076.62
  5. Step 5: Solve for x
    x = 1,745,331,555,076.62/1,297,137.40
  6. Step 6: Final answer
    x = 1,345,525.58

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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.