Home / 1,028,978.98-1,543,526.73-319,107.94

Finding the Fourth Proportional to 1,028,978.98, 1,543,526.73 and 319,107.94

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Solution

The fourth proportional to 1,028,978.98, 1,543,526.73 and 319,107.94 is: 478,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,978.98 : 1,543,526.73 = 319,107.94 : x
  2. Step 2: Convert to fraction form
    1,028,978.98/1,543,526.73 = 319,107.94/x
  3. Step 3: Cross multiply
    1,028,978.98x = 1,543,526.73 × 319,107.94
  4. Step 4: Simplify right side
    1,028,978.98x = 492,551,635,145.24
  5. Step 5: Solve for x
    x = 492,551,635,145.24/1,028,978.98
  6. Step 6: Final answer
    x = 478,679.98

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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.