Home / 1,329,444.80-1,994,167.20-442,980.80

Finding the Fourth Proportional to 1,329,444.80, 1,994,167.20 and 442,980.80

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Solution

The fourth proportional to 1,329,444.80, 1,994,167.20 and 442,980.80 is: 664,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,444.80 : 1,994,167.20 = 442,980.80 : x
  2. Step 2: Convert to fraction form
    1,329,444.80/1,994,167.20 = 442,980.80/x
  3. Step 3: Cross multiply
    1,329,444.80x = 1,994,167.20 × 442,980.80
  4. Step 4: Simplify right side
    1,329,444.80x = 883,377,781,589.76
  5. Step 5: Solve for x
    x = 883,377,781,589.76/1,329,444.80
  6. Step 6: Final answer
    x = 664,471.20

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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.