Home / 1,455,685.92-2,008,819.76-811,092.24

Finding the Fourth Proportional to 1,455,685.92, 2,008,819.76 and 811,092.24

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Solution

The fourth proportional to 1,455,685.92, 2,008,819.76 and 811,092.24 is: 1,119,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,685.92 : 2,008,819.76 = 811,092.24 : x
  2. Step 2: Convert to fraction form
    1,455,685.92/2,008,819.76 = 811,092.24/x
  3. Step 3: Cross multiply
    1,455,685.92x = 2,008,819.76 × 811,092.24
  4. Step 4: Simplify right side
    1,455,685.92x = 1,629,338,118,894.66
  5. Step 5: Solve for x
    x = 1,629,338,118,894.66/1,455,685.92
  6. Step 6: Final answer
    x = 1,119,292.35

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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.