Home / 1,000,778.44-1,380,731.52-570,749.44

Finding the Fourth Proportional to 1,000,778.44, 1,380,731.52 and 570,749.44

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Solution

The fourth proportional to 1,000,778.44, 1,380,731.52 and 570,749.44 is: 787,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,778.44 : 1,380,731.52 = 570,749.44 : x
  2. Step 2: Convert to fraction form
    1,000,778.44/1,380,731.52 = 570,749.44/x
  3. Step 3: Cross multiply
    1,000,778.44x = 1,380,731.52 × 570,749.44
  4. Step 4: Simplify right side
    1,000,778.44x = 788,051,741,830.35
  5. Step 5: Solve for x
    x = 788,051,741,830.35/1,000,778.44
  6. Step 6: Final answer
    x = 787,438.77

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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.