Home / 778,214.88-1,166,972.40-753,720.48

Finding the Fourth Proportional to 778,214.88, 1,166,972.40 and 753,720.48

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Solution

The fourth proportional to 778,214.88, 1,166,972.40 and 753,720.48 is: 1,130,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,214.88 : 1,166,972.40 = 753,720.48 : x
  2. Step 2: Convert to fraction form
    778,214.88/1,166,972.40 = 753,720.48/x
  3. Step 3: Cross multiply
    778,214.88x = 1,166,972.40 × 753,720.48
  4. Step 4: Simplify right side
    778,214.88x = 879,570,997,474.75
  5. Step 5: Solve for x
    x = 879,570,997,474.75/778,214.88
  6. Step 6: Final answer
    x = 1,130,241.81

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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.