Home / 1,230,133.53-1,843,704.34-870,408.05

Finding the Fourth Proportional to 1,230,133.53, 1,843,704.34 and 870,408.05

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Solution

The fourth proportional to 1,230,133.53, 1,843,704.34 and 870,408.05 is: 1,304,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,133.53 : 1,843,704.34 = 870,408.05 : x
  2. Step 2: Convert to fraction form
    1,230,133.53/1,843,704.34 = 870,408.05/x
  3. Step 3: Cross multiply
    1,230,133.53x = 1,843,704.34 × 870,408.05
  4. Step 4: Simplify right side
    1,230,133.53x = 1,604,775,087,961.40
  5. Step 5: Solve for x
    x = 1,604,775,087,961.40/1,230,133.53
  6. Step 6: Final answer
    x = 1,304,553.57

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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.