Home / 1,262,747.52-1,742,528.16-689,682.24

Finding the Fourth Proportional to 1,262,747.52, 1,742,528.16 and 689,682.24

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Solution

The fourth proportional to 1,262,747.52, 1,742,528.16 and 689,682.24 is: 951,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,747.52 : 1,742,528.16 = 689,682.24 : x
  2. Step 2: Convert to fraction form
    1,262,747.52/1,742,528.16 = 689,682.24/x
  3. Step 3: Cross multiply
    1,262,747.52x = 1,742,528.16 × 689,682.24
  4. Step 4: Simplify right side
    1,262,747.52x = 1,201,790,724,651.88
  5. Step 5: Solve for x
    x = 1,201,790,724,651.88/1,262,747.52
  6. Step 6: Final answer
    x = 951,726.85

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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.