Home / 1,180,727.79-1,629,115.23-664,381

Finding the Fourth Proportional to 1,180,727.79, 1,629,115.23 and 664,381

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Solution

The fourth proportional to 1,180,727.79, 1,629,115.23 and 664,381 is: 916,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,727.79 : 1,629,115.23 = 664,381 : x
  2. Step 2: Convert to fraction form
    1,180,727.79/1,629,115.23 = 664,381/x
  3. Step 3: Cross multiply
    1,180,727.79x = 1,629,115.23 × 664,381
  4. Step 4: Simplify right side
    1,180,727.79x = 1,082,353,205,622.63
  5. Step 5: Solve for x
    x = 1,082,353,205,622.63/1,180,727.79
  6. Step 6: Final answer
    x = 916,683.10

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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.