Home / 1,337,519.80-2,006,522.70-438,711.40

Finding the Fourth Proportional to 1,337,519.80, 2,006,522.70 and 438,711.40

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Solution

The fourth proportional to 1,337,519.80, 2,006,522.70 and 438,711.40 is: 658,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,519.80 : 2,006,522.70 = 438,711.40 : x
  2. Step 2: Convert to fraction form
    1,337,519.80/2,006,522.70 = 438,711.40/x
  3. Step 3: Cross multiply
    1,337,519.80x = 2,006,522.70 × 438,711.40
  4. Step 4: Simplify right side
    1,337,519.80x = 880,284,382,848.78
  5. Step 5: Solve for x
    x = 880,284,382,848.78/1,337,519.80
  6. Step 6: Final answer
    x = 658,146.80

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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.