Home / 1,211,013-1,816,522.05-1,137,026.45

Finding the Fourth Proportional to 1,211,013, 1,816,522.05 and 1,137,026.45

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Solution

The fourth proportional to 1,211,013, 1,816,522.05 and 1,137,026.45 is: 1,705,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,013 : 1,816,522.05 = 1,137,026.45 : x
  2. Step 2: Convert to fraction form
    1,211,013/1,816,522.05 = 1,137,026.45/x
  3. Step 3: Cross multiply
    1,211,013x = 1,816,522.05 × 1,137,026.45
  4. Step 4: Simplify right side
    1,211,013x = 2,065,433,617,858.22
  5. Step 5: Solve for x
    x = 2,065,433,617,858.22/1,211,013
  6. Step 6: Final answer
    x = 1,705,542.07

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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.