Home / 1,803,236.16-2,488,465.84-987,489.72

Finding the Fourth Proportional to 1,803,236.16, 2,488,465.84 and 987,489.72

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Solution

The fourth proportional to 1,803,236.16, 2,488,465.84 and 987,489.72 is: 1,362,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,236.16 : 2,488,465.84 = 987,489.72 : x
  2. Step 2: Convert to fraction form
    1,803,236.16/2,488,465.84 = 987,489.72/x
  3. Step 3: Cross multiply
    1,803,236.16x = 2,488,465.84 × 987,489.72
  4. Step 4: Simplify right side
    1,803,236.16x = 2,457,334,435,571.16
  5. Step 5: Solve for x
    x = 2,457,334,435,571.16/1,803,236.16
  6. Step 6: Final answer
    x = 1,362,735.78

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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.