Home / 1,148,187.56-1,720,313.03-810,624.11

Finding the Fourth Proportional to 1,148,187.56, 1,720,313.03 and 810,624.11

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Solution

The fourth proportional to 1,148,187.56, 1,720,313.03 and 810,624.11 is: 1,214,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,187.56 : 1,720,313.03 = 810,624.11 : x
  2. Step 2: Convert to fraction form
    1,148,187.56/1,720,313.03 = 810,624.11/x
  3. Step 3: Cross multiply
    1,148,187.56x = 1,720,313.03 × 810,624.11
  4. Step 4: Simplify right side
    1,148,187.56x = 1,394,527,206,210.47
  5. Step 5: Solve for x
    x = 1,394,527,206,210.47/1,148,187.56
  6. Step 6: Final answer
    x = 1,214,546.53

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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.