Home / 1,780,396.43-2,456,947.37-964,605.74

Finding the Fourth Proportional to 1,780,396.43, 2,456,947.37 and 964,605.74

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Solution

The fourth proportional to 1,780,396.43, 2,456,947.37 and 964,605.74 is: 1,331,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,396.43 : 2,456,947.37 = 964,605.74 : x
  2. Step 2: Convert to fraction form
    1,780,396.43/2,456,947.37 = 964,605.74/x
  3. Step 3: Cross multiply
    1,780,396.43x = 2,456,947.37 × 964,605.74
  4. Step 4: Simplify right side
    1,780,396.43x = 2,369,985,531,156.88
  5. Step 5: Solve for x
    x = 2,369,985,531,156.88/1,780,396.43
  6. Step 6: Final answer
    x = 1,331,156.08

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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.