Home / 1,488,462.20-2,053,828.68-876,736.76

Finding the Fourth Proportional to 1,488,462.20, 2,053,828.68 and 876,736.76

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Solution

The fourth proportional to 1,488,462.20, 2,053,828.68 and 876,736.76 is: 1,209,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,462.20 : 2,053,828.68 = 876,736.76 : x
  2. Step 2: Convert to fraction form
    1,488,462.20/2,053,828.68 = 876,736.76/x
  3. Step 3: Cross multiply
    1,488,462.20x = 2,053,828.68 × 876,736.76
  4. Step 4: Simplify right side
    1,488,462.20x = 1,800,667,102,498.28
  5. Step 5: Solve for x
    x = 1,800,667,102,498.28/1,488,462.20
  6. Step 6: Final answer
    x = 1,209,749.97

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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.