Home / 1,008,645.42-1,391,918.43-549,758.58

Finding the Fourth Proportional to 1,008,645.42, 1,391,918.43 and 549,758.58

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Solution

The fourth proportional to 1,008,645.42, 1,391,918.43 and 549,758.58 is: 758,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,645.42 : 1,391,918.43 = 549,758.58 : x
  2. Step 2: Convert to fraction form
    1,008,645.42/1,391,918.43 = 549,758.58/x
  3. Step 3: Cross multiply
    1,008,645.42x = 1,391,918.43 × 549,758.58
  4. Step 4: Simplify right side
    1,008,645.42x = 765,219,101,131.68
  5. Step 5: Solve for x
    x = 765,219,101,131.68/1,008,645.42
  6. Step 6: Final answer
    x = 758,660.17

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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.