Home / 1,178,154.51-1,767,196.43-325,278.21

Finding the Fourth Proportional to 1,178,154.51, 1,767,196.43 and 325,278.21

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Solution

The fourth proportional to 1,178,154.51, 1,767,196.43 and 325,278.21 is: 487,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,154.51 : 1,767,196.43 = 325,278.21 : x
  2. Step 2: Convert to fraction form
    1,178,154.51/1,767,196.43 = 325,278.21/x
  3. Step 3: Cross multiply
    1,178,154.51x = 1,767,196.43 × 325,278.21
  4. Step 4: Simplify right side
    1,178,154.51x = 574,830,491,468.79
  5. Step 5: Solve for x
    x = 574,830,491,468.79/1,178,154.51
  6. Step 6: Final answer
    x = 487,907.56

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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.