Home / 1,346,728.19-2,020,413.05-505,287.23

Finding the Fourth Proportional to 1,346,728.19, 2,020,413.05 and 505,287.23

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Solution

The fourth proportional to 1,346,728.19, 2,020,413.05 and 505,287.23 is: 758,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,728.19 : 2,020,413.05 = 505,287.23 : x
  2. Step 2: Convert to fraction form
    1,346,728.19/2,020,413.05 = 505,287.23/x
  3. Step 3: Cross multiply
    1,346,728.19x = 2,020,413.05 × 505,287.23
  4. Step 4: Simplify right side
    1,346,728.19x = 1,020,888,913,490.35
  5. Step 5: Solve for x
    x = 1,020,888,913,490.35/1,346,728.19
  6. Step 6: Final answer
    x = 758,051.19

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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.