Home / 869,122.40-1,303,683.60-837,629.60

Finding the Fourth Proportional to 869,122.40, 1,303,683.60 and 837,629.60

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Solution

The fourth proportional to 869,122.40, 1,303,683.60 and 837,629.60 is: 1,256,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,122.40 : 1,303,683.60 = 837,629.60 : x
  2. Step 2: Convert to fraction form
    869,122.40/1,303,683.60 = 837,629.60/x
  3. Step 3: Cross multiply
    869,122.40x = 1,303,683.60 × 837,629.60
  4. Step 4: Simplify right side
    869,122.40x = 1,092,003,972,394.56
  5. Step 5: Solve for x
    x = 1,092,003,972,394.56/869,122.40
  6. Step 6: Final answer
    x = 1,256,444.40

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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.