Home / 1,272,977.52-1,756,721.88-700,021.92

Finding the Fourth Proportional to 1,272,977.52, 1,756,721.88 and 700,021.92

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Solution

The fourth proportional to 1,272,977.52, 1,756,721.88 and 700,021.92 is: 966,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,977.52 : 1,756,721.88 = 700,021.92 : x
  2. Step 2: Convert to fraction form
    1,272,977.52/1,756,721.88 = 700,021.92/x
  3. Step 3: Cross multiply
    1,272,977.52x = 1,756,721.88 × 700,021.92
  4. Step 4: Simplify right side
    1,272,977.52x = 1,229,743,823,343.61
  5. Step 5: Solve for x
    x = 1,229,743,823,343.61/1,272,977.52
  6. Step 6: Final answer
    x = 966,037.34

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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.