Home / 1,302,192.10-1,952,632.05-769,876.30

Finding the Fourth Proportional to 1,302,192.10, 1,952,632.05 and 769,876.30

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Solution

The fourth proportional to 1,302,192.10, 1,952,632.05 and 769,876.30 is: 1,154,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,192.10 : 1,952,632.05 = 769,876.30 : x
  2. Step 2: Convert to fraction form
    1,302,192.10/1,952,632.05 = 769,876.30/x
  3. Step 3: Cross multiply
    1,302,192.10x = 1,952,632.05 × 769,876.30
  4. Step 4: Simplify right side
    1,302,192.10x = 1,503,285,137,915.42
  5. Step 5: Solve for x
    x = 1,503,285,137,915.42/1,302,192.10
  6. Step 6: Final answer
    x = 1,154,426.55

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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.