Home / 1,028,565.31-1,542,949.42-354,557.88

Finding the Fourth Proportional to 1,028,565.31, 1,542,949.42 and 354,557.88

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Solution

The fourth proportional to 1,028,565.31, 1,542,949.42 and 354,557.88 is: 531,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,565.31 : 1,542,949.42 = 354,557.88 : x
  2. Step 2: Convert to fraction form
    1,028,565.31/1,542,949.42 = 354,557.88/x
  3. Step 3: Cross multiply
    1,028,565.31x = 1,542,949.42 × 354,557.88
  4. Step 4: Simplify right side
    1,028,565.31x = 547,064,875,302.43
  5. Step 5: Solve for x
    x = 547,064,875,302.43/1,028,565.31
  6. Step 6: Final answer
    x = 531,871.79

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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.