Home / 989,108.20-1,484,537.10-847,390.60

Finding the Fourth Proportional to 989,108.20, 1,484,537.10 and 847,390.60

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Solution

The fourth proportional to 989,108.20, 1,484,537.10 and 847,390.60 is: 1,271,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,108.20 : 1,484,537.10 = 847,390.60 : x
  2. Step 2: Convert to fraction form
    989,108.20/1,484,537.10 = 847,390.60/x
  3. Step 3: Cross multiply
    989,108.20x = 1,484,537.10 × 847,390.60
  4. Step 4: Simplify right side
    989,108.20x = 1,257,982,783,891.26
  5. Step 5: Solve for x
    x = 1,257,982,783,891.26/989,108.20
  6. Step 6: Final answer
    x = 1,271,835.36

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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.