Home / 1,462,408.80-2,018,109.96-817,821.60

Finding the Fourth Proportional to 1,462,408.80, 2,018,109.96 and 817,821.60

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Solution

The fourth proportional to 1,462,408.80, 2,018,109.96 and 817,821.60 is: 1,128,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,408.80 : 2,018,109.96 = 817,821.60 : x
  2. Step 2: Convert to fraction form
    1,462,408.80/2,018,109.96 = 817,821.60/x
  3. Step 3: Cross multiply
    1,462,408.80x = 2,018,109.96 × 817,821.60
  4. Step 4: Simplify right side
    1,462,408.80x = 1,650,453,916,463.14
  5. Step 5: Solve for x
    x = 1,650,453,916,463.14/1,462,408.80
  6. Step 6: Final answer
    x = 1,128,585.88

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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.