Home / 1,365,362.10-2,048,043.15-418,609.80

Finding the Fourth Proportional to 1,365,362.10, 2,048,043.15 and 418,609.80

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Solution

The fourth proportional to 1,365,362.10, 2,048,043.15 and 418,609.80 is: 627,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,362.10 : 2,048,043.15 = 418,609.80 : x
  2. Step 2: Convert to fraction form
    1,365,362.10/2,048,043.15 = 418,609.80/x
  3. Step 3: Cross multiply
    1,365,362.10x = 2,048,043.15 × 418,609.80
  4. Step 4: Simplify right side
    1,365,362.10x = 857,330,933,412.87
  5. Step 5: Solve for x
    x = 857,330,933,412.87/1,365,362.10
  6. Step 6: Final answer
    x = 627,914.70

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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.