Home / 1,065,902.80-1,598,076.60-434,491.60

Finding the Fourth Proportional to 1,065,902.80, 1,598,076.60 and 434,491.60

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Solution

The fourth proportional to 1,065,902.80, 1,598,076.60 and 434,491.60 is: 651,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,902.80 : 1,598,076.60 = 434,491.60 : x
  2. Step 2: Convert to fraction form
    1,065,902.80/1,598,076.60 = 434,491.60/x
  3. Step 3: Cross multiply
    1,065,902.80x = 1,598,076.60 × 434,491.60
  4. Step 4: Simplify right side
    1,065,902.80x = 694,350,858,856.56
  5. Step 5: Solve for x
    x = 694,350,858,856.56/1,065,902.80
  6. Step 6: Final answer
    x = 651,420.43

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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.