Home / 1,780,222.32-2,670,295.82-432,391.23

Finding the Fourth Proportional to 1,780,222.32, 2,670,295.82 and 432,391.23

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Solution

The fourth proportional to 1,780,222.32, 2,670,295.82 and 432,391.23 is: 648,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,222.32 : 2,670,295.82 = 432,391.23 : x
  2. Step 2: Convert to fraction form
    1,780,222.32/2,670,295.82 = 432,391.23/x
  3. Step 3: Cross multiply
    1,780,222.32x = 2,670,295.82 × 432,391.23
  4. Step 4: Simplify right side
    1,780,222.32x = 1,154,612,491,911.70
  5. Step 5: Solve for x
    x = 1,154,612,491,911.70/1,780,222.32
  6. Step 6: Final answer
    x = 648,577.70

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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.