Home / 1,028,159.43-1,418,413.33-620,034.48

Finding the Fourth Proportional to 1,028,159.43, 1,418,413.33 and 620,034.48

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Solution

The fourth proportional to 1,028,159.43, 1,418,413.33 and 620,034.48 is: 855,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,159.43 : 1,418,413.33 = 620,034.48 : x
  2. Step 2: Convert to fraction form
    1,028,159.43/1,418,413.33 = 620,034.48/x
  3. Step 3: Cross multiply
    1,028,159.43x = 1,418,413.33 × 620,034.48
  4. Step 4: Simplify right side
    1,028,159.43x = 879,465,165,787.01
  5. Step 5: Solve for x
    x = 879,465,165,787.01/1,028,159.43
  6. Step 6: Final answer
    x = 855,378.20

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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.