Home / 1,128,757.08-1,693,394.26-489,168.20

Finding the Fourth Proportional to 1,128,757.08, 1,693,394.26 and 489,168.20

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Solution

The fourth proportional to 1,128,757.08, 1,693,394.26 and 489,168.20 is: 733,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,757.08 : 1,693,394.26 = 489,168.20 : x
  2. Step 2: Convert to fraction form
    1,128,757.08/1,693,394.26 = 489,168.20/x
  3. Step 3: Cross multiply
    1,128,757.08x = 1,693,394.26 × 489,168.20
  4. Step 4: Simplify right side
    1,128,757.08x = 828,354,622,054.53
  5. Step 5: Solve for x
    x = 828,354,622,054.53/1,128,757.08
  6. Step 6: Final answer
    x = 733,864.39

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1.5x scale

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.