Home / 1,375,849.10-1,898,677.72-763,999.99

Finding the Fourth Proportional to 1,375,849.10, 1,898,677.72 and 763,999.99

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Solution

The fourth proportional to 1,375,849.10, 1,898,677.72 and 763,999.99 is: 1,054,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,849.10 : 1,898,677.72 = 763,999.99 : x
  2. Step 2: Convert to fraction form
    1,375,849.10/1,898,677.72 = 763,999.99/x
  3. Step 3: Cross multiply
    1,375,849.10x = 1,898,677.72 × 763,999.99
  4. Step 4: Simplify right side
    1,375,849.10x = 1,450,589,749,599.83
  5. Step 5: Solve for x
    x = 1,450,589,749,599.83/1,375,849.10
  6. Step 6: Final answer
    x = 1,054,323.29

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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.