Home / 1,488,643.40-2,054,790.45-1,183,261.66

Finding the Fourth Proportional to 1,488,643.40, 2,054,790.45 and 1,183,261.66

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Solution

The fourth proportional to 1,488,643.40, 2,054,790.45 and 1,183,261.66 is: 1,633,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,643.40 : 2,054,790.45 = 1,183,261.66 : x
  2. Step 2: Convert to fraction form
    1,488,643.40/2,054,790.45 = 1,183,261.66/x
  3. Step 3: Cross multiply
    1,488,643.40x = 2,054,790.45 × 1,183,261.66
  4. Step 4: Simplify right side
    1,488,643.40x = 2,431,354,758,819.15
  5. Step 5: Solve for x
    x = 2,431,354,758,819.15/1,488,643.40
  6. Step 6: Final answer
    x = 1,633,268.76

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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.