Home / 1,329,333.80-1,994,000.70-442,869.80

Finding the Fourth Proportional to 1,329,333.80, 1,994,000.70 and 442,869.80

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Solution

The fourth proportional to 1,329,333.80, 1,994,000.70 and 442,869.80 is: 664,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,333.80 : 1,994,000.70 = 442,869.80 : x
  2. Step 2: Convert to fraction form
    1,329,333.80/1,994,000.70 = 442,869.80/x
  3. Step 3: Cross multiply
    1,329,333.80x = 1,994,000.70 × 442,869.80
  4. Step 4: Simplify right side
    1,329,333.80x = 883,082,691,208.86
  5. Step 5: Solve for x
    x = 883,082,691,208.86/1,329,333.80
  6. Step 6: Final answer
    x = 664,304.70

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1.5x scale

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.