Home / 1,007,658.20-1,390,558.64-548,780.44

Finding the Fourth Proportional to 1,007,658.20, 1,390,558.64 and 548,780.44

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Solution

The fourth proportional to 1,007,658.20, 1,390,558.64 and 548,780.44 is: 757,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,658.20 : 1,390,558.64 = 548,780.44 : x
  2. Step 2: Convert to fraction form
    1,007,658.20/1,390,558.64 = 548,780.44/x
  3. Step 3: Cross multiply
    1,007,658.20x = 1,390,558.64 × 548,780.44
  4. Step 4: Simplify right side
    1,007,658.20x = 763,111,376,890.20
  5. Step 5: Solve for x
    x = 763,111,376,890.20/1,007,658.20
  6. Step 6: Final answer
    x = 757,311.73

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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.