Home / 1,092,912.60-1,639,368.90-620,520.60

Finding the Fourth Proportional to 1,092,912.60, 1,639,368.90 and 620,520.60

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Solution

The fourth proportional to 1,092,912.60, 1,639,368.90 and 620,520.60 is: 930,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,912.60 : 1,639,368.90 = 620,520.60 : x
  2. Step 2: Convert to fraction form
    1,092,912.60/1,639,368.90 = 620,520.60/x
  3. Step 3: Cross multiply
    1,092,912.60x = 1,639,368.90 × 620,520.60
  4. Step 4: Simplify right side
    1,092,912.60x = 1,017,262,173,449.34
  5. Step 5: Solve for x
    x = 1,017,262,173,449.34/1,092,912.60
  6. Step 6: Final answer
    x = 930,780.90

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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.