Home / 1,404,638.55-2,106,413.51-505,888.47

Finding the Fourth Proportional to 1,404,638.55, 2,106,413.51 and 505,888.47

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Solution

The fourth proportional to 1,404,638.55, 2,106,413.51 and 505,888.47 is: 758,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,638.55 : 2,106,413.51 = 505,888.47 : x
  2. Step 2: Convert to fraction form
    1,404,638.55/2,106,413.51 = 505,888.47/x
  3. Step 3: Cross multiply
    1,404,638.55x = 2,106,413.51 × 505,888.47
  4. Step 4: Simplify right side
    1,404,638.55x = 1,065,610,305,231.79
  5. Step 5: Solve for x
    x = 1,065,610,305,231.79/1,404,638.55
  6. Step 6: Final answer
    x = 758,636.67

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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.