Home / 1,272,922.48-1,756,626.76-749,936.72

Finding the Fourth Proportional to 1,272,922.48, 1,756,626.76 and 749,936.72

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Solution

The fourth proportional to 1,272,922.48, 1,756,626.76 and 749,936.72 is: 1,034,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,922.48 : 1,756,626.76 = 749,936.72 : x
  2. Step 2: Convert to fraction form
    1,272,922.48/1,756,626.76 = 749,936.72/x
  3. Step 3: Cross multiply
    1,272,922.48x = 1,756,626.76 × 749,936.72
  4. Step 4: Simplify right side
    1,272,922.48x = 1,317,358,910,658.63
  5. Step 5: Solve for x
    x = 1,317,358,910,658.63/1,272,922.48
  6. Step 6: Final answer
    x = 1,034,908.98

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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.