Home / 889,072.20-1,329,671.70-747,354.60

Finding the Fourth Proportional to 889,072.20, 1,329,671.70 and 747,354.60

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Solution

The fourth proportional to 889,072.20, 1,329,671.70 and 747,354.60 is: 1,117,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,072.20 : 1,329,671.70 = 747,354.60 : x
  2. Step 2: Convert to fraction form
    889,072.20/1,329,671.70 = 747,354.60/x
  3. Step 3: Cross multiply
    889,072.20x = 1,329,671.70 × 747,354.60
  4. Step 4: Simplify right side
    889,072.20x = 993,736,261,484.82
  5. Step 5: Solve for x
    x = 993,736,261,484.82/889,072.20
  6. Step 6: Final answer
    x = 1,117,722.79

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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.