Home / 1,803,209.88-2,488,460.24-987,400.56

Finding the Fourth Proportional to 1,803,209.88, 2,488,460.24 and 987,400.56

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Solution

The fourth proportional to 1,803,209.88, 2,488,460.24 and 987,400.56 is: 1,362,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,209.88 : 2,488,460.24 = 987,400.56 : x
  2. Step 2: Convert to fraction form
    1,803,209.88/2,488,460.24 = 987,400.56/x
  3. Step 3: Cross multiply
    1,803,209.88x = 2,488,460.24 × 987,400.56
  4. Step 4: Simplify right side
    1,803,209.88x = 2,457,107,034,513.74
  5. Step 5: Solve for x
    x = 2,457,107,034,513.74/1,803,209.88
  6. Step 6: Final answer
    x = 1,362,629.53

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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.