Home / 923,999.20-1,290,449.60-923,999.20

Finding the Fourth Proportional to 923,999.20, 1,290,449.60 and 923,999.20

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Solution

The fourth proportional to 923,999.20, 1,290,449.60 and 923,999.20 is: 1,290,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,999.20 : 1,290,449.60 = 923,999.20 : x
  2. Step 2: Convert to fraction form
    923,999.20/1,290,449.60 = 923,999.20/x
  3. Step 3: Cross multiply
    923,999.20x = 1,290,449.60 × 923,999.20
  4. Step 4: Simplify right side
    923,999.20x = 1,192,374,398,040.32
  5. Step 5: Solve for x
    x = 1,192,374,398,040.32/923,999.20
  6. Step 6: Final answer
    x = 1,290,449.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.