Home / 837,129.60-1,155,225.24-455,166

Finding the Fourth Proportional to 837,129.60, 1,155,225.24 and 455,166

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Solution

The fourth proportional to 837,129.60, 1,155,225.24 and 455,166 is: 628,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,129.60 : 1,155,225.24 = 455,166 : x
  2. Step 2: Convert to fraction form
    837,129.60/1,155,225.24 = 455,166/x
  3. Step 3: Cross multiply
    837,129.60x = 1,155,225.24 × 455,166
  4. Step 4: Simplify right side
    837,129.60x = 525,819,251,589.84
  5. Step 5: Solve for x
    x = 525,819,251,589.84/837,129.60
  6. Step 6: Final answer
    x = 628,121.68

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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.