Home / 1,302,806.40-1,797,983.36-729,838.72

Finding the Fourth Proportional to 1,302,806.40, 1,797,983.36 and 729,838.72

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Solution

The fourth proportional to 1,302,806.40, 1,797,983.36 and 729,838.72 is: 1,007,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,806.40 : 1,797,983.36 = 729,838.72 : x
  2. Step 2: Convert to fraction form
    1,302,806.40/1,797,983.36 = 729,838.72/x
  3. Step 3: Cross multiply
    1,302,806.40x = 1,797,983.36 × 729,838.72
  4. Step 4: Simplify right side
    1,302,806.40x = 1,312,237,874,043.70
  5. Step 5: Solve for x
    x = 1,312,237,874,043.70/1,302,806.40
  6. Step 6: Final answer
    x = 1,007,239.35

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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.