Home / 1,868,008-2,801,501.52-669,707.68

Finding the Fourth Proportional to 1,868,008, 2,801,501.52 and 669,707.68

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Solution

The fourth proportional to 1,868,008, 2,801,501.52 and 669,707.68 is: 1,004,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,008 : 2,801,501.52 = 669,707.68 : x
  2. Step 2: Convert to fraction form
    1,868,008/2,801,501.52 = 669,707.68/x
  3. Step 3: Cross multiply
    1,868,008x = 2,801,501.52 × 669,707.68
  4. Step 4: Simplify right side
    1,868,008x = 1,876,187,083,475.67
  5. Step 5: Solve for x
    x = 1,876,187,083,475.67/1,868,008
  6. Step 6: Final answer
    x = 1,004,378.51

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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.