Home / 1,699,340.50-2,548,985.79-419,947.94

Finding the Fourth Proportional to 1,699,340.50, 2,548,985.79 and 419,947.94

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Solution

The fourth proportional to 1,699,340.50, 2,548,985.79 and 419,947.94 is: 629,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,340.50 : 2,548,985.79 = 419,947.94 : x
  2. Step 2: Convert to fraction form
    1,699,340.50/2,548,985.79 = 419,947.94/x
  3. Step 3: Cross multiply
    1,699,340.50x = 2,548,985.79 × 419,947.94
  4. Step 4: Simplify right side
    1,699,340.50x = 1,070,441,339,547.04
  5. Step 5: Solve for x
    x = 1,070,441,339,547.04/1,699,340.50
  6. Step 6: Final answer
    x = 629,915.75

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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.