Home / 1,055,211-1,583,294.04-415,338.54

Finding the Fourth Proportional to 1,055,211, 1,583,294.04 and 415,338.54

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Solution

The fourth proportional to 1,055,211, 1,583,294.04 and 415,338.54 is: 623,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,211 : 1,583,294.04 = 415,338.54 : x
  2. Step 2: Convert to fraction form
    1,055,211/1,583,294.04 = 415,338.54/x
  3. Step 3: Cross multiply
    1,055,211x = 1,583,294.04 × 415,338.54
  4. Step 4: Simplify right side
    1,055,211x = 657,603,034,964.30
  5. Step 5: Solve for x
    x = 657,603,034,964.30/1,055,211
  6. Step 6: Final answer
    x = 623,195.77

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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.