Home / 1,721,360.88-2,576,520.36-920,640.24

Finding the Fourth Proportional to 1,721,360.88, 2,576,520.36 and 920,640.24

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Solution

The fourth proportional to 1,721,360.88, 2,576,520.36 and 920,640.24 is: 1,378,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,360.88 : 2,576,520.36 = 920,640.24 : x
  2. Step 2: Convert to fraction form
    1,721,360.88/2,576,520.36 = 920,640.24/x
  3. Step 3: Cross multiply
    1,721,360.88x = 2,576,520.36 × 920,640.24
  4. Step 4: Simplify right side
    1,721,360.88x = 2,372,048,322,595.29
  5. Step 5: Solve for x
    x = 2,372,048,322,595.29/1,721,360.88
  6. Step 6: Final answer
    x = 1,378,007.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.