Home / 1,122,890.61-1,683,982.65-364,556.87

Finding the Fourth Proportional to 1,122,890.61, 1,683,982.65 and 364,556.87

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Solution

The fourth proportional to 1,122,890.61, 1,683,982.65 and 364,556.87 is: 546,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,890.61 : 1,683,982.65 = 364,556.87 : x
  2. Step 2: Convert to fraction form
    1,122,890.61/1,683,982.65 = 364,556.87/x
  3. Step 3: Cross multiply
    1,122,890.61x = 1,683,982.65 × 364,556.87
  4. Step 4: Simplify right side
    1,122,890.61x = 613,907,435,598.39
  5. Step 5: Solve for x
    x = 613,907,435,598.39/1,122,890.61
  6. Step 6: Final answer
    x = 546,720.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.