Home / 1,477,963.40-2,216,945.10-531,429.80

Finding the Fourth Proportional to 1,477,963.40, 2,216,945.10 and 531,429.80

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Solution

The fourth proportional to 1,477,963.40, 2,216,945.10 and 531,429.80 is: 797,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,963.40 : 2,216,945.10 = 531,429.80 : x
  2. Step 2: Convert to fraction form
    1,477,963.40/2,216,945.10 = 531,429.80/x
  3. Step 3: Cross multiply
    1,477,963.40x = 2,216,945.10 × 531,429.80
  4. Step 4: Simplify right side
    1,477,963.40x = 1,178,150,691,103.98
  5. Step 5: Solve for x
    x = 1,178,150,691,103.98/1,477,963.40
  6. Step 6: Final answer
    x = 797,144.70

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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.