Home / 1,072,413.32-1,480,061.70-619,704.32

Finding the Fourth Proportional to 1,072,413.32, 1,480,061.70 and 619,704.32

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Solution

The fourth proportional to 1,072,413.32, 1,480,061.70 and 619,704.32 is: 855,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,413.32 : 1,480,061.70 = 619,704.32 : x
  2. Step 2: Convert to fraction form
    1,072,413.32/1,480,061.70 = 619,704.32/x
  3. Step 3: Cross multiply
    1,072,413.32x = 1,480,061.70 × 619,704.32
  4. Step 4: Simplify right side
    1,072,413.32x = 917,200,629,356.54
  5. Step 5: Solve for x
    x = 917,200,629,356.54/1,072,413.32
  6. Step 6: Final answer
    x = 855,267.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.