Home / 1,683,945.44-2,323,846.60-920,011.76

Finding the Fourth Proportional to 1,683,945.44, 2,323,846.60 and 920,011.76

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Solution

The fourth proportional to 1,683,945.44, 2,323,846.60 and 920,011.76 is: 1,269,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,945.44 : 2,323,846.60 = 920,011.76 : x
  2. Step 2: Convert to fraction form
    1,683,945.44/2,323,846.60 = 920,011.76/x
  3. Step 3: Cross multiply
    1,683,945.44x = 2,323,846.60 × 920,011.76
  4. Step 4: Simplify right side
    1,683,945.44x = 2,137,966,200,436.02
  5. Step 5: Solve for x
    x = 2,137,966,200,436.02/1,683,945.44
  6. Step 6: Final answer
    x = 1,269,617.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.