Home / 1,089,768.20-1,634,713.70-331,634.32

Finding the Fourth Proportional to 1,089,768.20, 1,634,713.70 and 331,634.32

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Solution

The fourth proportional to 1,089,768.20, 1,634,713.70 and 331,634.32 is: 497,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,768.20 : 1,634,713.70 = 331,634.32 : x
  2. Step 2: Convert to fraction form
    1,089,768.20/1,634,713.70 = 331,634.32/x
  3. Step 3: Cross multiply
    1,089,768.20x = 1,634,713.70 × 331,634.32
  4. Step 4: Simplify right side
    1,089,768.20x = 542,127,160,549.23
  5. Step 5: Solve for x
    x = 542,127,160,549.23/1,089,768.20
  6. Step 6: Final answer
    x = 497,470.16

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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.