Home / 1,154,687.72-1,731,849.63-386,179.58

Finding the Fourth Proportional to 1,154,687.72, 1,731,849.63 and 386,179.58

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Solution

The fourth proportional to 1,154,687.72, 1,731,849.63 and 386,179.58 is: 579,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,687.72 : 1,731,849.63 = 386,179.58 : x
  2. Step 2: Convert to fraction form
    1,154,687.72/1,731,849.63 = 386,179.58/x
  3. Step 3: Cross multiply
    1,154,687.72x = 1,731,849.63 × 386,179.58
  4. Step 4: Simplify right side
    1,154,687.72x = 668,804,954,077.31
  5. Step 5: Solve for x
    x = 668,804,954,077.31/1,154,687.72
  6. Step 6: Final answer
    x = 579,208.51

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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.