Home / 837,146.96-1,155,256.76-455,174

Finding the Fourth Proportional to 837,146.96, 1,155,256.76 and 455,174

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Solution

The fourth proportional to 837,146.96, 1,155,256.76 and 455,174 is: 628,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,146.96 : 1,155,256.76 = 455,174 : x
  2. Step 2: Convert to fraction form
    837,146.96/1,155,256.76 = 455,174/x
  3. Step 3: Cross multiply
    837,146.96x = 1,155,256.76 × 455,174
  4. Step 4: Simplify right side
    837,146.96x = 525,842,840,476.24
  5. Step 5: Solve for x
    x = 525,842,840,476.24/837,146.96
  6. Step 6: Final answer
    x = 628,136.83

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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.