Home / 1,363,902.78-2,043,196.95-830,099.82

Finding the Fourth Proportional to 1,363,902.78, 2,043,196.95 and 830,099.82

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Solution

The fourth proportional to 1,363,902.78, 2,043,196.95 and 830,099.82 is: 1,243,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,902.78 : 2,043,196.95 = 830,099.82 : x
  2. Step 2: Convert to fraction form
    1,363,902.78/2,043,196.95 = 830,099.82/x
  3. Step 3: Cross multiply
    1,363,902.78x = 2,043,196.95 × 830,099.82
  4. Step 4: Simplify right side
    1,363,902.78x = 1,696,057,420,419.55
  5. Step 5: Solve for x
    x = 1,696,057,420,419.55/1,363,902.78
  6. Step 6: Final answer
    x = 1,243,532.49

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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.