Home / 884,630.20-1,323,008.70-742,912.60

Finding the Fourth Proportional to 884,630.20, 1,323,008.70 and 742,912.60

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Solution

The fourth proportional to 884,630.20, 1,323,008.70 and 742,912.60 is: 1,111,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,630.20 : 1,323,008.70 = 742,912.60 : x
  2. Step 2: Convert to fraction form
    884,630.20/1,323,008.70 = 742,912.60/x
  3. Step 3: Cross multiply
    884,630.20x = 1,323,008.70 × 742,912.60
  4. Step 4: Simplify right side
    884,630.20x = 982,879,833,139.62
  5. Step 5: Solve for x
    x = 982,879,833,139.62/884,630.20
  6. Step 6: Final answer
    x = 1,111,062.94

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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.