Home / 1,346,125.80-2,019,188.70-867,828.90

Finding the Fourth Proportional to 1,346,125.80, 2,019,188.70 and 867,828.90

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Solution

The fourth proportional to 1,346,125.80, 2,019,188.70 and 867,828.90 is: 1,301,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,125.80 : 2,019,188.70 = 867,828.90 : x
  2. Step 2: Convert to fraction form
    1,346,125.80/2,019,188.70 = 867,828.90/x
  3. Step 3: Cross multiply
    1,346,125.80x = 2,019,188.70 × 867,828.90
  4. Step 4: Simplify right side
    1,346,125.80x = 1,752,310,308,413.43
  5. Step 5: Solve for x
    x = 1,752,310,308,413.43/1,346,125.80
  6. Step 6: Final answer
    x = 1,301,743.35

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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.