Home / 1,419,003.19-2,127,239.29-520,235.47

Finding the Fourth Proportional to 1,419,003.19, 2,127,239.29 and 520,235.47

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Solution

The fourth proportional to 1,419,003.19, 2,127,239.29 and 520,235.47 is: 779,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,003.19 : 2,127,239.29 = 520,235.47 : x
  2. Step 2: Convert to fraction form
    1,419,003.19/2,127,239.29 = 520,235.47/x
  3. Step 3: Cross multiply
    1,419,003.19x = 2,127,239.29 × 520,235.47
  4. Step 4: Simplify right side
    1,419,003.19x = 1,106,665,331,835.62
  5. Step 5: Solve for x
    x = 1,106,665,331,835.62/1,419,003.19
  6. Step 6: Final answer
    x = 779,889.25

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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.