Home / 1,182,172.88-1,631,400.39-672,875.25

Finding the Fourth Proportional to 1,182,172.88, 1,631,400.39 and 672,875.25

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Solution

The fourth proportional to 1,182,172.88, 1,631,400.39 and 672,875.25 is: 928,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,172.88 : 1,631,400.39 = 672,875.25 : x
  2. Step 2: Convert to fraction form
    1,182,172.88/1,631,400.39 = 672,875.25/x
  3. Step 3: Cross multiply
    1,182,172.88x = 1,631,400.39 × 672,875.25
  4. Step 4: Simplify right side
    1,182,172.88x = 1,097,728,945,271.35
  5. Step 5: Solve for x
    x = 1,097,728,945,271.35/1,182,172.88
  6. Step 6: Final answer
    x = 928,568.88

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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.