Home / 949,920.80-1,421,770.80-738,413.60

Finding the Fourth Proportional to 949,920.80, 1,421,770.80 and 738,413.60

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Solution

The fourth proportional to 949,920.80, 1,421,770.80 and 738,413.60 is: 1,105,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,920.80 : 1,421,770.80 = 738,413.60 : x
  2. Step 2: Convert to fraction form
    949,920.80/1,421,770.80 = 738,413.60/x
  3. Step 3: Cross multiply
    949,920.80x = 1,421,770.80 × 738,413.60
  4. Step 4: Simplify right side
    949,920.80x = 1,049,854,894,802.88
  5. Step 5: Solve for x
    x = 1,049,854,894,802.88/949,920.80
  6. Step 6: Final answer
    x = 1,105,202.55

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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.