Home / 1,375,725.96-1,898,475.12-763,846.92

Finding the Fourth Proportional to 1,375,725.96, 1,898,475.12 and 763,846.92

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Solution

The fourth proportional to 1,375,725.96, 1,898,475.12 and 763,846.92 is: 1,054,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,725.96 : 1,898,475.12 = 763,846.92 : x
  2. Step 2: Convert to fraction form
    1,375,725.96/1,898,475.12 = 763,846.92/x
  3. Step 3: Cross multiply
    1,375,725.96x = 1,898,475.12 × 763,846.92
  4. Step 4: Simplify right side
    1,375,725.96x = 1,450,144,373,108.63
  5. Step 5: Solve for x
    x = 1,450,144,373,108.63/1,375,725.96
  6. Step 6: Final answer
    x = 1,054,093.92

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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.