Home / 1,384,143.30-2,076,506.55-437,609.70

Finding the Fourth Proportional to 1,384,143.30, 2,076,506.55 and 437,609.70

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Solution

The fourth proportional to 1,384,143.30, 2,076,506.55 and 437,609.70 is: 656,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,143.30 : 2,076,506.55 = 437,609.70 : x
  2. Step 2: Convert to fraction form
    1,384,143.30/2,076,506.55 = 437,609.70/x
  3. Step 3: Cross multiply
    1,384,143.30x = 2,076,506.55 × 437,609.70
  4. Step 4: Simplify right side
    1,384,143.30x = 908,699,408,393.54
  5. Step 5: Solve for x
    x = 908,699,408,393.54/1,384,143.30
  6. Step 6: Final answer
    x = 656,506.74

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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.