Home / 1,404,626.49-2,106,890.53-393,740.42

Finding the Fourth Proportional to 1,404,626.49, 2,106,890.53 and 393,740.42

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Solution

The fourth proportional to 1,404,626.49, 2,106,890.53 and 393,740.42 is: 590,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,626.49 : 2,106,890.53 = 393,740.42 : x
  2. Step 2: Convert to fraction form
    1,404,626.49/2,106,890.53 = 393,740.42/x
  3. Step 3: Cross multiply
    1,404,626.49x = 2,106,890.53 × 393,740.42
  4. Step 4: Simplify right side
    1,404,626.49x = 829,567,950,657.42
  5. Step 5: Solve for x
    x = 829,567,950,657.42/1,404,626.49
  6. Step 6: Final answer
    x = 590,596.83

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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.