Home / 1,371,419.50-2,056,732.05-411,836.38

Finding the Fourth Proportional to 1,371,419.50, 2,056,732.05 and 411,836.38

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Solution

The fourth proportional to 1,371,419.50, 2,056,732.05 and 411,836.38 is: 617,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,419.50 : 2,056,732.05 = 411,836.38 : x
  2. Step 2: Convert to fraction form
    1,371,419.50/2,056,732.05 = 411,836.38/x
  3. Step 3: Cross multiply
    1,371,419.50x = 2,056,732.05 × 411,836.38
  4. Step 4: Simplify right side
    1,371,419.50x = 847,037,082,101.98
  5. Step 5: Solve for x
    x = 847,037,082,101.98/1,371,419.50
  6. Step 6: Final answer
    x = 617,635.29

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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.