Home / 1,191,435.30-1,788,038.91-481,469.49

Finding the Fourth Proportional to 1,191,435.30, 1,788,038.91 and 481,469.49

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Solution

The fourth proportional to 1,191,435.30, 1,788,038.91 and 481,469.49 is: 722,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,435.30 : 1,788,038.91 = 481,469.49 : x
  2. Step 2: Convert to fraction form
    1,191,435.30/1,788,038.91 = 481,469.49/x
  3. Step 3: Cross multiply
    1,191,435.30x = 1,788,038.91 × 481,469.49
  4. Step 4: Simplify right side
    1,191,435.30x = 860,886,182,097.86
  5. Step 5: Solve for x
    x = 860,886,182,097.86/1,191,435.30
  6. Step 6: Final answer
    x = 722,562.26

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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.