Home / 1,782,671.78-2,674,824.15-772,102.82

Finding the Fourth Proportional to 1,782,671.78, 2,674,824.15 and 772,102.82

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Solution

The fourth proportional to 1,782,671.78, 2,674,824.15 and 772,102.82 is: 1,158,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,671.78 : 2,674,824.15 = 772,102.82 : x
  2. Step 2: Convert to fraction form
    1,782,671.78/2,674,824.15 = 772,102.82/x
  3. Step 3: Cross multiply
    1,782,671.78x = 2,674,824.15 × 772,102.82
  4. Step 4: Simplify right side
    1,782,671.78x = 2,065,239,269,219.10
  5. Step 5: Solve for x
    x = 2,065,239,269,219.10/1,782,671.78
  6. Step 6: Final answer
    x = 1,158,507.86

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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.