Home / 1,008,865.14-1,392,249.34-549,979.98

Finding the Fourth Proportional to 1,008,865.14, 1,392,249.34 and 549,979.98

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Solution

The fourth proportional to 1,008,865.14, 1,392,249.34 and 549,979.98 is: 758,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,865.14 : 1,392,249.34 = 549,979.98 : x
  2. Step 2: Convert to fraction form
    1,008,865.14/1,392,249.34 = 549,979.98/x
  3. Step 3: Cross multiply
    1,008,865.14x = 1,392,249.34 × 549,979.98
  4. Step 4: Simplify right side
    1,008,865.14x = 765,709,264,168.21
  5. Step 5: Solve for x
    x = 765,709,264,168.21/1,008,865.14
  6. Step 6: Final answer
    x = 758,980.79

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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.