Home / 1,159,815.36-1,600,468.29-643,536.52

Finding the Fourth Proportional to 1,159,815.36, 1,600,468.29 and 643,536.52

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Solution

The fourth proportional to 1,159,815.36, 1,600,468.29 and 643,536.52 is: 888,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,815.36 : 1,600,468.29 = 643,536.52 : x
  2. Step 2: Convert to fraction form
    1,159,815.36/1,600,468.29 = 643,536.52/x
  3. Step 3: Cross multiply
    1,159,815.36x = 1,600,468.29 × 643,536.52
  4. Step 4: Simplify right side
    1,159,815.36x = 1,029,959,796,027.04
  5. Step 5: Solve for x
    x = 1,029,959,796,027.04/1,159,815.36
  6. Step 6: Final answer
    x = 888,037.73

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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.