Home / 1,255,134.72-1,732,043.52-718,487.04

Finding the Fourth Proportional to 1,255,134.72, 1,732,043.52 and 718,487.04

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Solution

The fourth proportional to 1,255,134.72, 1,732,043.52 and 718,487.04 is: 991,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,134.72 : 1,732,043.52 = 718,487.04 : x
  2. Step 2: Convert to fraction form
    1,255,134.72/1,732,043.52 = 718,487.04/x
  3. Step 3: Cross multiply
    1,255,134.72x = 1,732,043.52 × 718,487.04
  4. Step 4: Simplify right side
    1,255,134.72x = 1,244,450,821,835.98
  5. Step 5: Solve for x
    x = 1,244,450,821,835.98/1,255,134.72
  6. Step 6: Final answer
    x = 991,487.85

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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.