Home / 1,008,634.80-1,391,875.44-549,739.56

Finding the Fourth Proportional to 1,008,634.80, 1,391,875.44 and 549,739.56

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Solution

The fourth proportional to 1,008,634.80, 1,391,875.44 and 549,739.56 is: 758,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,634.80 : 1,391,875.44 = 549,739.56 : x
  2. Step 2: Convert to fraction form
    1,008,634.80/1,391,875.44 = 549,739.56/x
  3. Step 3: Cross multiply
    1,008,634.80x = 1,391,875.44 × 549,739.56
  4. Step 4: Simplify right side
    1,008,634.80x = 765,168,991,960.41
  5. Step 5: Solve for x
    x = 765,168,991,960.41/1,008,634.80
  6. Step 6: Final answer
    x = 758,618.47

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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.