Home / 1,047,731.63-1,446,967.37-721,891.87

Finding the Fourth Proportional to 1,047,731.63, 1,446,967.37 and 721,891.87

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Solution

The fourth proportional to 1,047,731.63, 1,446,967.37 and 721,891.87 is: 996,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,731.63 : 1,446,967.37 = 721,891.87 : x
  2. Step 2: Convert to fraction form
    1,047,731.63/1,446,967.37 = 721,891.87/x
  3. Step 3: Cross multiply
    1,047,731.63x = 1,446,967.37 × 721,891.87
  4. Step 4: Simplify right side
    1,047,731.63x = 1,044,553,978,745.59
  5. Step 5: Solve for x
    x = 1,044,553,978,745.59/1,047,731.63
  6. Step 6: Final answer
    x = 996,967.12

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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.