Home / 1,023,678.32-1,535,742.12-313,759.76

Finding the Fourth Proportional to 1,023,678.32, 1,535,742.12 and 313,759.76

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Solution

The fourth proportional to 1,023,678.32, 1,535,742.12 and 313,759.76 is: 470,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,678.32 : 1,535,742.12 = 313,759.76 : x
  2. Step 2: Convert to fraction form
    1,023,678.32/1,535,742.12 = 313,759.76/x
  3. Step 3: Cross multiply
    1,023,678.32x = 1,535,742.12 × 313,759.76
  4. Step 4: Simplify right side
    1,023,678.32x = 481,854,078,993.09
  5. Step 5: Solve for x
    x = 481,854,078,993.09/1,023,678.32
  6. Step 6: Final answer
    x = 470,708.49

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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.