Home / 1,107,413.70-1,661,120.55-547,541.70

Finding the Fourth Proportional to 1,107,413.70, 1,661,120.55 and 547,541.70

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Solution

The fourth proportional to 1,107,413.70, 1,661,120.55 and 547,541.70 is: 821,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,413.70 : 1,661,120.55 = 547,541.70 : x
  2. Step 2: Convert to fraction form
    1,107,413.70/1,661,120.55 = 547,541.70/x
  3. Step 3: Cross multiply
    1,107,413.70x = 1,661,120.55 × 547,541.70
  4. Step 4: Simplify right side
    1,107,413.70x = 909,532,769,851.94
  5. Step 5: Solve for x
    x = 909,532,769,851.94/1,107,413.70
  6. Step 6: Final answer
    x = 821,312.55

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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.