Home / 1,130,861.70-1,696,292.55-289,413.45

Finding the Fourth Proportional to 1,130,861.70, 1,696,292.55 and 289,413.45

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Solution

The fourth proportional to 1,130,861.70, 1,696,292.55 and 289,413.45 is: 434,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,861.70 : 1,696,292.55 = 289,413.45 : x
  2. Step 2: Convert to fraction form
    1,130,861.70/1,696,292.55 = 289,413.45/x
  3. Step 3: Cross multiply
    1,130,861.70x = 1,696,292.55 × 289,413.45
  4. Step 4: Simplify right side
    1,130,861.70x = 490,929,879,104.80
  5. Step 5: Solve for x
    x = 490,929,879,104.80/1,130,861.70
  6. Step 6: Final answer
    x = 434,120.18

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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.