Home / 1,479,969.40-2,219,954.10-1,076,467.90

Finding the Fourth Proportional to 1,479,969.40, 2,219,954.10 and 1,076,467.90

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Solution

The fourth proportional to 1,479,969.40, 2,219,954.10 and 1,076,467.90 is: 1,614,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,969.40 : 2,219,954.10 = 1,076,467.90 : x
  2. Step 2: Convert to fraction form
    1,479,969.40/2,219,954.10 = 1,076,467.90/x
  3. Step 3: Cross multiply
    1,479,969.40x = 2,219,954.10 × 1,076,467.90
  4. Step 4: Simplify right side
    1,479,969.40x = 2,389,709,328,123.39
  5. Step 5: Solve for x
    x = 2,389,709,328,123.39/1,479,969.40
  6. Step 6: Final answer
    x = 1,614,701.85

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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.