Home / 1,363,901.78-2,043,195.45-830,098.82

Finding the Fourth Proportional to 1,363,901.78, 2,043,195.45 and 830,098.82

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Solution

The fourth proportional to 1,363,901.78, 2,043,195.45 and 830,098.82 is: 1,243,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,901.78 : 2,043,195.45 = 830,098.82 : x
  2. Step 2: Convert to fraction form
    1,363,901.78/2,043,195.45 = 830,098.82/x
  3. Step 3: Cross multiply
    1,363,901.78x = 2,043,195.45 × 830,098.82
  4. Step 4: Simplify right side
    1,363,901.78x = 1,696,054,121,858.39
  5. Step 5: Solve for x
    x = 1,696,054,121,858.39/1,363,901.78
  6. Step 6: Final answer
    x = 1,243,530.99

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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.