Home / 1,289,675.90-1,777,876.89-901,285.44

Finding the Fourth Proportional to 1,289,675.90, 1,777,876.89 and 901,285.44

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Solution

The fourth proportional to 1,289,675.90, 1,777,876.89 and 901,285.44 is: 1,242,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,675.90 : 1,777,876.89 = 901,285.44 : x
  2. Step 2: Convert to fraction form
    1,289,675.90/1,777,876.89 = 901,285.44/x
  3. Step 3: Cross multiply
    1,289,675.90x = 1,777,876.89 × 901,285.44
  4. Step 4: Simplify right side
    1,289,675.90x = 1,602,374,555,069.48
  5. Step 5: Solve for x
    x = 1,602,374,555,069.48/1,289,675.90
  6. Step 6: Final answer
    x = 1,242,462.98

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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.