Home / 1,133,110.40-1,699,742.40-385,212.80

Finding the Fourth Proportional to 1,133,110.40, 1,699,742.40 and 385,212.80

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Solution

The fourth proportional to 1,133,110.40, 1,699,742.40 and 385,212.80 is: 577,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,110.40 : 1,699,742.40 = 385,212.80 : x
  2. Step 2: Convert to fraction form
    1,133,110.40/1,699,742.40 = 385,212.80/x
  3. Step 3: Cross multiply
    1,133,110.40x = 1,699,742.40 × 385,212.80
  4. Step 4: Simplify right side
    1,133,110.40x = 654,762,529,182.72
  5. Step 5: Solve for x
    x = 654,762,529,182.72/1,133,110.40
  6. Step 6: Final answer
    x = 577,845.31

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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.