Home / 1,028,774.79-1,543,133.03-354,843.45

Finding the Fourth Proportional to 1,028,774.79, 1,543,133.03 and 354,843.45

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Solution

The fourth proportional to 1,028,774.79, 1,543,133.03 and 354,843.45 is: 532,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,774.79 : 1,543,133.03 = 354,843.45 : x
  2. Step 2: Convert to fraction form
    1,028,774.79/1,543,133.03 = 354,843.45/x
  3. Step 3: Cross multiply
    1,028,774.79x = 1,543,133.03 × 354,843.45
  4. Step 4: Simplify right side
    1,028,774.79x = 547,570,646,399.94
  5. Step 5: Solve for x
    x = 547,570,646,399.94/1,028,774.79
  6. Step 6: Final answer
    x = 532,255.12

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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.