Home / 1,803,200.52-2,488,447.32-987,391.20

Finding the Fourth Proportional to 1,803,200.52, 2,488,447.32 and 987,391.20

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Solution

The fourth proportional to 1,803,200.52, 2,488,447.32 and 987,391.20 is: 1,362,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,200.52 : 2,488,447.32 = 987,391.20 : x
  2. Step 2: Convert to fraction form
    1,803,200.52/2,488,447.32 = 987,391.20/x
  3. Step 3: Cross multiply
    1,803,200.52x = 2,488,447.32 × 987,391.20
  4. Step 4: Simplify right side
    1,803,200.52x = 2,457,070,985,431.58
  5. Step 5: Solve for x
    x = 2,457,070,985,431.58/1,803,200.52
  6. Step 6: Final answer
    x = 1,362,616.61

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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.