Home / 1,028,565.09-1,542,949.15-354,557.66

Finding the Fourth Proportional to 1,028,565.09, 1,542,949.15 and 354,557.66

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Solution

The fourth proportional to 1,028,565.09, 1,542,949.15 and 354,557.66 is: 531,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,565.09 : 1,542,949.15 = 354,557.66 : x
  2. Step 2: Convert to fraction form
    1,028,565.09/1,542,949.15 = 354,557.66/x
  3. Step 3: Cross multiply
    1,028,565.09x = 1,542,949.15 × 354,557.66
  4. Step 4: Simplify right side
    1,028,565.09x = 547,064,438,350.20
  5. Step 5: Solve for x
    x = 547,064,438,350.20/1,028,565.09
  6. Step 6: Final answer
    x = 531,871.48

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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.