Home / 1,085,473.85-1,496,223.70-855,656.60

Finding the Fourth Proportional to 1,085,473.85, 1,496,223.70 and 855,656.60

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Solution

The fourth proportional to 1,085,473.85, 1,496,223.70 and 855,656.60 is: 1,179,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,473.85 : 1,496,223.70 = 855,656.60 : x
  2. Step 2: Convert to fraction form
    1,085,473.85/1,496,223.70 = 855,656.60/x
  3. Step 3: Cross multiply
    1,085,473.85x = 1,496,223.70 × 855,656.60
  4. Step 4: Simplify right side
    1,085,473.85x = 1,280,253,674,361.16
  5. Step 5: Solve for x
    x = 1,280,253,674,361.16/1,085,473.85
  6. Step 6: Final answer
    x = 1,179,442.21

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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.