Home / 1,028,644.82-1,543,041.12-354,716.38

Finding the Fourth Proportional to 1,028,644.82, 1,543,041.12 and 354,716.38

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Solution

The fourth proportional to 1,028,644.82, 1,543,041.12 and 354,716.38 is: 532,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,644.82 : 1,543,041.12 = 354,716.38 : x
  2. Step 2: Convert to fraction form
    1,028,644.82/1,543,041.12 = 354,716.38/x
  3. Step 3: Cross multiply
    1,028,644.82x = 1,543,041.12 × 354,716.38
  4. Step 4: Simplify right side
    1,028,644.82x = 547,341,963,536.53
  5. Step 5: Solve for x
    x = 547,341,963,536.53/1,028,644.82
  6. Step 6: Final answer
    x = 532,100.05

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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.