Home / 1,182,165.63-1,631,390.39-672,868

Finding the Fourth Proportional to 1,182,165.63, 1,631,390.39 and 672,868

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Solution

The fourth proportional to 1,182,165.63, 1,631,390.39 and 672,868 is: 928,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,165.63 : 1,631,390.39 = 672,868 : x
  2. Step 2: Convert to fraction form
    1,182,165.63/1,631,390.39 = 672,868/x
  3. Step 3: Cross multiply
    1,182,165.63x = 1,631,390.39 × 672,868
  4. Step 4: Simplify right side
    1,182,165.63x = 1,097,710,388,938.52
  5. Step 5: Solve for x
    x = 1,097,710,388,938.52/1,182,165.63
  6. Step 6: Final answer
    x = 928,558.88

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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.