Home / 1,337,647.80-2,006,714.70-438,839.40

Finding the Fourth Proportional to 1,337,647.80, 2,006,714.70 and 438,839.40

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Solution

The fourth proportional to 1,337,647.80, 2,006,714.70 and 438,839.40 is: 658,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,647.80 : 2,006,714.70 = 438,839.40 : x
  2. Step 2: Convert to fraction form
    1,337,647.80/2,006,714.70 = 438,839.40/x
  3. Step 3: Cross multiply
    1,337,647.80x = 2,006,714.70 × 438,839.40
  4. Step 4: Simplify right side
    1,337,647.80x = 880,625,474,919.18
  5. Step 5: Solve for x
    x = 880,625,474,919.18/1,337,647.80
  6. Step 6: Final answer
    x = 658,338.82

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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.