Home / 1,090,749.53-1,635,089.10-380,586.89

Finding the Fourth Proportional to 1,090,749.53, 1,635,089.10 and 380,586.89

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Solution

The fourth proportional to 1,090,749.53, 1,635,089.10 and 380,586.89 is: 570,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,749.53 : 1,635,089.10 = 380,586.89 : x
  2. Step 2: Convert to fraction form
    1,090,749.53/1,635,089.10 = 380,586.89/x
  3. Step 3: Cross multiply
    1,090,749.53x = 1,635,089.10 × 380,586.89
  4. Step 4: Simplify right side
    1,090,749.53x = 622,293,467,266.45
  5. Step 5: Solve for x
    x = 622,293,467,266.45/1,090,749.53
  6. Step 6: Final answer
    x = 570,519.13

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1.5x scale

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.