Home / 1,004,008-1,385,540.76-551,308.72

Finding the Fourth Proportional to 1,004,008, 1,385,540.76 and 551,308.72

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Solution

The fourth proportional to 1,004,008, 1,385,540.76 and 551,308.72 is: 760,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,008 : 1,385,540.76 = 551,308.72 : x
  2. Step 2: Convert to fraction form
    1,004,008/1,385,540.76 = 551,308.72/x
  3. Step 3: Cross multiply
    1,004,008x = 1,385,540.76 × 551,308.72
  4. Step 4: Simplify right side
    1,004,008x = 763,860,702,903.43
  5. Step 5: Solve for x
    x = 763,860,702,903.43/1,004,008
  6. Step 6: Final answer
    x = 760,811.37

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1.5x scale

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.