Home / 1,078,504.76-1,488,875.87-670,738.01

Finding the Fourth Proportional to 1,078,504.76, 1,488,875.87 and 670,738.01

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Solution

The fourth proportional to 1,078,504.76, 1,488,875.87 and 670,738.01 is: 925,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,504.76 : 1,488,875.87 = 670,738.01 : x
  2. Step 2: Convert to fraction form
    1,078,504.76/1,488,875.87 = 670,738.01/x
  3. Step 3: Cross multiply
    1,078,504.76x = 1,488,875.87 × 670,738.01
  4. Step 4: Simplify right side
    1,078,504.76x = 998,645,632,413.28
  5. Step 5: Solve for x
    x = 998,645,632,413.28/1,078,504.76
  6. Step 6: Final answer
    x = 925,953.85

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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.