Home / 1,479,288.09-2,219,058.34-519,659.83

Finding the Fourth Proportional to 1,479,288.09, 2,219,058.34 and 519,659.83

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Solution

The fourth proportional to 1,479,288.09, 2,219,058.34 and 519,659.83 is: 779,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,288.09 : 2,219,058.34 = 519,659.83 : x
  2. Step 2: Convert to fraction form
    1,479,288.09/2,219,058.34 = 519,659.83/x
  3. Step 3: Cross multiply
    1,479,288.09x = 2,219,058.34 × 519,659.83
  4. Step 4: Simplify right side
    1,479,288.09x = 1,153,155,478,611.94
  5. Step 5: Solve for x
    x = 1,153,155,478,611.94/1,479,288.09
  6. Step 6: Final answer
    x = 779,534.08

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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.