Home / 1,271,355.14-1,754,772.76-727,805.05

Finding the Fourth Proportional to 1,271,355.14, 1,754,772.76 and 727,805.05

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Solution

The fourth proportional to 1,271,355.14, 1,754,772.76 and 727,805.05 is: 1,004,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,355.14 : 1,754,772.76 = 727,805.05 : x
  2. Step 2: Convert to fraction form
    1,271,355.14/1,754,772.76 = 727,805.05/x
  3. Step 3: Cross multiply
    1,271,355.14x = 1,754,772.76 × 727,805.05
  4. Step 4: Simplify right side
    1,271,355.14x = 1,277,132,472,853.26
  5. Step 5: Solve for x
    x = 1,277,132,472,853.26/1,271,355.14
  6. Step 6: Final answer
    x = 1,004,544.23

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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.