Home / 1,239,108.75-1,709,999.55-695,284.77

Finding the Fourth Proportional to 1,239,108.75, 1,709,999.55 and 695,284.77

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Solution

The fourth proportional to 1,239,108.75, 1,709,999.55 and 695,284.77 is: 959,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,108.75 : 1,709,999.55 = 695,284.77 : x
  2. Step 2: Convert to fraction form
    1,239,108.75/1,709,999.55 = 695,284.77/x
  3. Step 3: Cross multiply
    1,239,108.75x = 1,709,999.55 × 695,284.77
  4. Step 4: Simplify right side
    1,239,108.75x = 1,188,936,643,821.85
  5. Step 5: Solve for x
    x = 1,188,936,643,821.85/1,239,108.75
  6. Step 6: Final answer
    x = 959,509.52

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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.