Home / 1,432,180.78-2,147,811.63-472,420.78

Finding the Fourth Proportional to 1,432,180.78, 2,147,811.63 and 472,420.78

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Solution

The fourth proportional to 1,432,180.78, 2,147,811.63 and 472,420.78 is: 708,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,180.78 : 2,147,811.63 = 472,420.78 : x
  2. Step 2: Convert to fraction form
    1,432,180.78/2,147,811.63 = 472,420.78/x
  3. Step 3: Cross multiply
    1,432,180.78x = 2,147,811.63 × 472,420.78
  4. Step 4: Simplify right side
    1,432,180.78x = 1,014,670,845,537.67
  5. Step 5: Solve for x
    x = 1,014,670,845,537.67/1,432,180.78
  6. Step 6: Final answer
    x = 708,479.59

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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.