Home / 1,456,771.37-2,185,786.51-782,064.80

Finding the Fourth Proportional to 1,456,771.37, 2,185,786.51 and 782,064.80

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Solution

The fourth proportional to 1,456,771.37, 2,185,786.51 and 782,064.80 is: 1,173,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,771.37 : 2,185,786.51 = 782,064.80 : x
  2. Step 2: Convert to fraction form
    1,456,771.37/2,185,786.51 = 782,064.80/x
  3. Step 3: Cross multiply
    1,456,771.37x = 2,185,786.51 × 782,064.80
  4. Step 4: Simplify right side
    1,456,771.37x = 1,709,426,676,901.75
  5. Step 5: Solve for x
    x = 1,709,426,676,901.75/1,456,771.37
  6. Step 6: Final answer
    x = 1,173,435.11

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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.