Home / 1,295,522.64-1,786,464.72-1,114,847.28

Finding the Fourth Proportional to 1,295,522.64, 1,786,464.72 and 1,114,847.28

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Solution

The fourth proportional to 1,295,522.64, 1,786,464.72 and 1,114,847.28 is: 1,537,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,522.64 : 1,786,464.72 = 1,114,847.28 : x
  2. Step 2: Convert to fraction form
    1,295,522.64/1,786,464.72 = 1,114,847.28/x
  3. Step 3: Cross multiply
    1,295,522.64x = 1,786,464.72 × 1,114,847.28
  4. Step 4: Simplify right side
    1,295,522.64x = 1,991,635,333,907.96
  5. Step 5: Solve for x
    x = 1,991,635,333,907.96/1,295,522.64
  6. Step 6: Final answer
    x = 1,537,321.91

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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.