Home / 851,130.27-1,275,101.33-763,494.75

Finding the Fourth Proportional to 851,130.27, 1,275,101.33 and 763,494.75

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Solution

The fourth proportional to 851,130.27, 1,275,101.33 and 763,494.75 is: 1,143,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,130.27 : 1,275,101.33 = 763,494.75 : x
  2. Step 2: Convert to fraction form
    851,130.27/1,275,101.33 = 763,494.75/x
  3. Step 3: Cross multiply
    851,130.27x = 1,275,101.33 × 763,494.75
  4. Step 4: Simplify right side
    851,130.27x = 973,533,167,355.54
  5. Step 5: Solve for x
    x = 973,533,167,355.54/851,130.27
  6. Step 6: Final answer
    x = 1,143,812.18

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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.