Home / 1,179,419.40-1,769,129.10-505,823.40

Finding the Fourth Proportional to 1,179,419.40, 1,769,129.10 and 505,823.40

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Solution

The fourth proportional to 1,179,419.40, 1,769,129.10 and 505,823.40 is: 758,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,419.40 : 1,769,129.10 = 505,823.40 : x
  2. Step 2: Convert to fraction form
    1,179,419.40/1,769,129.10 = 505,823.40/x
  3. Step 3: Cross multiply
    1,179,419.40x = 1,769,129.10 × 505,823.40
  4. Step 4: Simplify right side
    1,179,419.40x = 894,866,896,400.94
  5. Step 5: Solve for x
    x = 894,866,896,400.94/1,179,419.40
  6. Step 6: Final answer
    x = 758,735.10

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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.