Home / 1,413,734.64-1,952,131-1,311,162.72

Finding the Fourth Proportional to 1,413,734.64, 1,952,131 and 1,311,162.72

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Solution

The fourth proportional to 1,413,734.64, 1,952,131 and 1,311,162.72 is: 1,810,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,734.64 : 1,952,131 = 1,311,162.72 : x
  2. Step 2: Convert to fraction form
    1,413,734.64/1,952,131 = 1,311,162.72/x
  3. Step 3: Cross multiply
    1,413,734.64x = 1,952,131 × 1,311,162.72
  4. Step 4: Simplify right side
    1,413,734.64x = 2,559,561,391,756.32
  5. Step 5: Solve for x
    x = 2,559,561,391,756.32/1,413,734.64
  6. Step 6: Final answer
    x = 1,810,496.34

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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.