Home / 1,337,923.80-2,007,128.70-439,115.40

Finding the Fourth Proportional to 1,337,923.80, 2,007,128.70 and 439,115.40

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Solution

The fourth proportional to 1,337,923.80, 2,007,128.70 and 439,115.40 is: 658,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,923.80 : 2,007,128.70 = 439,115.40 : x
  2. Step 2: Convert to fraction form
    1,337,923.80/2,007,128.70 = 439,115.40/x
  3. Step 3: Cross multiply
    1,337,923.80x = 2,007,128.70 × 439,115.40
  4. Step 4: Simplify right side
    1,337,923.80x = 881,361,121,951.98
  5. Step 5: Solve for x
    x = 881,361,121,951.98/1,337,923.80
  6. Step 6: Final answer
    x = 658,752.85

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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.