Home / 1,462,453.70-2,018,179.21-817,876.46

Finding the Fourth Proportional to 1,462,453.70, 2,018,179.21 and 817,876.46

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Solution

The fourth proportional to 1,462,453.70, 2,018,179.21 and 817,876.46 is: 1,128,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,453.70 : 2,018,179.21 = 817,876.46 : x
  2. Step 2: Convert to fraction form
    1,462,453.70/2,018,179.21 = 817,876.46/x
  3. Step 3: Cross multiply
    1,462,453.70x = 2,018,179.21 × 817,876.46
  4. Step 4: Simplify right side
    1,462,453.70x = 1,650,621,261,102.41
  5. Step 5: Solve for x
    x = 1,650,621,261,102.41/1,462,453.70
  6. Step 6: Final answer
    x = 1,128,665.65

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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.