Home / 1,201,511.76-1,801,987.26-348,354.42

Finding the Fourth Proportional to 1,201,511.76, 1,801,987.26 and 348,354.42

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Solution

The fourth proportional to 1,201,511.76, 1,801,987.26 and 348,354.42 is: 522,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,511.76 : 1,801,987.26 = 348,354.42 : x
  2. Step 2: Convert to fraction form
    1,201,511.76/1,801,987.26 = 348,354.42/x
  3. Step 3: Cross multiply
    1,201,511.76x = 1,801,987.26 × 348,354.42
  4. Step 4: Simplify right side
    1,201,511.76x = 627,730,226,804.69
  5. Step 5: Solve for x
    x = 627,730,226,804.69/1,201,511.76
  6. Step 6: Final answer
    x = 522,450.34

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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.