Home / 990,534.60-1,485,801.90-923,612.40

Finding the Fourth Proportional to 990,534.60, 1,485,801.90 and 923,612.40

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Solution

The fourth proportional to 990,534.60, 1,485,801.90 and 923,612.40 is: 1,385,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,534.60 : 1,485,801.90 = 923,612.40 : x
  2. Step 2: Convert to fraction form
    990,534.60/1,485,801.90 = 923,612.40/x
  3. Step 3: Cross multiply
    990,534.60x = 1,485,801.90 × 923,612.40
  4. Step 4: Simplify right side
    990,534.60x = 1,372,305,058,783.56
  5. Step 5: Solve for x
    x = 1,372,305,058,783.56/990,534.60
  6. Step 6: Final answer
    x = 1,385,418.60

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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.