Home / 1,054,419.88-1,581,302.70-380,413.56

Finding the Fourth Proportional to 1,054,419.88, 1,581,302.70 and 380,413.56

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Solution

The fourth proportional to 1,054,419.88, 1,581,302.70 and 380,413.56 is: 570,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,419.88 : 1,581,302.70 = 380,413.56 : x
  2. Step 2: Convert to fraction form
    1,054,419.88/1,581,302.70 = 380,413.56/x
  3. Step 3: Cross multiply
    1,054,419.88x = 1,581,302.70 × 380,413.56
  4. Step 4: Simplify right side
    1,054,419.88x = 601,548,987,642.54
  5. Step 5: Solve for x
    x = 601,548,987,642.54/1,054,419.88
  6. Step 6: Final answer
    x = 570,502.32

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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.