Home / 1,122,791.24-1,550,138.28-730,697.72

Finding the Fourth Proportional to 1,122,791.24, 1,550,138.28 and 730,697.72

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Solution

The fourth proportional to 1,122,791.24, 1,550,138.28 and 730,697.72 is: 1,008,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,791.24 : 1,550,138.28 = 730,697.72 : x
  2. Step 2: Convert to fraction form
    1,122,791.24/1,550,138.28 = 730,697.72/x
  3. Step 3: Cross multiply
    1,122,791.24x = 1,550,138.28 × 730,697.72
  4. Step 4: Simplify right side
    1,122,791.24x = 1,132,682,506,880.72
  5. Step 5: Solve for x
    x = 1,132,682,506,880.72/1,122,791.24
  6. Step 6: Final answer
    x = 1,008,809.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.