Home / 1,776,212.49-2,663,916.90-815,744.73

Finding the Fourth Proportional to 1,776,212.49, 2,663,916.90 and 815,744.73

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Solution

The fourth proportional to 1,776,212.49, 2,663,916.90 and 815,744.73 is: 1,223,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,212.49 : 2,663,916.90 = 815,744.73 : x
  2. Step 2: Convert to fraction form
    1,776,212.49/2,663,916.90 = 815,744.73/x
  3. Step 3: Cross multiply
    1,776,212.49x = 2,663,916.90 × 815,744.73
  4. Step 4: Simplify right side
    1,776,212.49x = 2,173,076,162,343.25
  5. Step 5: Solve for x
    x = 2,173,076,162,343.25/1,776,212.49
  6. Step 6: Final answer
    x = 1,223,432.54

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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.