Home / 1,179,421.40-1,769,132.10-505,825.40

Finding the Fourth Proportional to 1,179,421.40, 1,769,132.10 and 505,825.40

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Solution

The fourth proportional to 1,179,421.40, 1,769,132.10 and 505,825.40 is: 758,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,421.40 : 1,769,132.10 = 505,825.40 : x
  2. Step 2: Convert to fraction form
    1,179,421.40/1,769,132.10 = 505,825.40/x
  3. Step 3: Cross multiply
    1,179,421.40x = 1,769,132.10 × 505,825.40
  4. Step 4: Simplify right side
    1,179,421.40x = 894,871,952,135.34
  5. Step 5: Solve for x
    x = 894,871,952,135.34/1,179,421.40
  6. Step 6: Final answer
    x = 758,738.10

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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.