Home / 1,008,854.35-1,392,207.48-549,958.80

Finding the Fourth Proportional to 1,008,854.35, 1,392,207.48 and 549,958.80

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Solution

The fourth proportional to 1,008,854.35, 1,392,207.48 and 549,958.80 is: 758,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,854.35 : 1,392,207.48 = 549,958.80 : x
  2. Step 2: Convert to fraction form
    1,008,854.35/1,392,207.48 = 549,958.80/x
  3. Step 3: Cross multiply
    1,008,854.35x = 1,392,207.48 × 549,958.80
  4. Step 4: Simplify right side
    1,008,854.35x = 765,656,748,090.79
  5. Step 5: Solve for x
    x = 765,656,748,090.79/1,008,854.35
  6. Step 6: Final answer
    x = 758,936.86

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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.