Home / 1,148,607-1,722,910.40-307,136.88

Finding the Fourth Proportional to 1,148,607, 1,722,910.40 and 307,136.88

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Solution

The fourth proportional to 1,148,607, 1,722,910.40 and 307,136.88 is: 460,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,607 : 1,722,910.40 = 307,136.88 : x
  2. Step 2: Convert to fraction form
    1,148,607/1,722,910.40 = 307,136.88/x
  3. Step 3: Cross multiply
    1,148,607x = 1,722,910.40 × 307,136.88
  4. Step 4: Simplify right side
    1,148,607x = 529,169,324,775.55
  5. Step 5: Solve for x
    x = 529,169,324,775.55/1,148,607
  6. Step 6: Final answer
    x = 460,705.29

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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.