Home / 1,145,871.54-1,580,749.83-763,408.98

Finding the Fourth Proportional to 1,145,871.54, 1,580,749.83 and 763,408.98

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Solution

The fourth proportional to 1,145,871.54, 1,580,749.83 and 763,408.98 is: 1,053,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,871.54 : 1,580,749.83 = 763,408.98 : x
  2. Step 2: Convert to fraction form
    1,145,871.54/1,580,749.83 = 763,408.98/x
  3. Step 3: Cross multiply
    1,145,871.54x = 1,580,749.83 × 763,408.98
  4. Step 4: Simplify right side
    1,145,871.54x = 1,206,758,615,355.47
  5. Step 5: Solve for x
    x = 1,206,758,615,355.47/1,145,871.54
  6. Step 6: Final answer
    x = 1,053,136.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.