Home / 1,089,760.80-1,634,702.70-331,627.02

Finding the Fourth Proportional to 1,089,760.80, 1,634,702.70 and 331,627.02

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Solution

The fourth proportional to 1,089,760.80, 1,634,702.70 and 331,627.02 is: 497,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,760.80 : 1,634,702.70 = 331,627.02 : x
  2. Step 2: Convert to fraction form
    1,089,760.80/1,634,702.70 = 331,627.02/x
  3. Step 3: Cross multiply
    1,089,760.80x = 1,634,702.70 × 331,627.02
  4. Step 4: Simplify right side
    1,089,760.80x = 542,111,584,986.95
  5. Step 5: Solve for x
    x = 542,111,584,986.95/1,089,760.80
  6. Step 6: Final answer
    x = 497,459.25

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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.