Home / 1,098,045.93-1,647,352.86-643,021.41

Finding the Fourth Proportional to 1,098,045.93, 1,647,352.86 and 643,021.41

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Solution

The fourth proportional to 1,098,045.93, 1,647,352.86 and 643,021.41 is: 964,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,045.93 : 1,647,352.86 = 643,021.41 : x
  2. Step 2: Convert to fraction form
    1,098,045.93/1,647,352.86 = 643,021.41/x
  3. Step 3: Cross multiply
    1,098,045.93x = 1,647,352.86 × 643,021.41
  4. Step 4: Simplify right side
    1,098,045.93x = 1,059,283,158,804.73
  5. Step 5: Solve for x
    x = 1,059,283,158,804.73/1,098,045.93
  6. Step 6: Final answer
    x = 964,698.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.