Home / 1,271,356.65-1,754,774.84-727,806.56

Finding the Fourth Proportional to 1,271,356.65, 1,754,774.84 and 727,806.56

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Solution

The fourth proportional to 1,271,356.65, 1,754,774.84 and 727,806.56 is: 1,004,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,356.65 : 1,754,774.84 = 727,806.56 : x
  2. Step 2: Convert to fraction form
    1,271,356.65/1,754,774.84 = 727,806.56/x
  3. Step 3: Cross multiply
    1,271,356.65x = 1,754,774.84 × 727,806.56
  4. Step 4: Simplify right side
    1,271,356.65x = 1,277,136,627,462.04
  5. Step 5: Solve for x
    x = 1,277,136,627,462.04/1,271,356.65
  6. Step 6: Final answer
    x = 1,004,546.31

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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.