Home / 1,179,118.35-1,769,051.34-420,943.50

Finding the Fourth Proportional to 1,179,118.35, 1,769,051.34 and 420,943.50

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Solution

The fourth proportional to 1,179,118.35, 1,769,051.34 and 420,943.50 is: 631,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,118.35 : 1,769,051.34 = 420,943.50 : x
  2. Step 2: Convert to fraction form
    1,179,118.35/1,769,051.34 = 420,943.50/x
  3. Step 3: Cross multiply
    1,179,118.35x = 1,769,051.34 × 420,943.50
  4. Step 4: Simplify right side
    1,179,118.35x = 744,670,662,739.29
  5. Step 5: Solve for x
    x = 744,670,662,739.29/1,179,118.35
  6. Step 6: Final answer
    x = 631,548.70

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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.