Home / 1,105,833.74-1,658,749.19-347,741.78

Finding the Fourth Proportional to 1,105,833.74, 1,658,749.19 and 347,741.78

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Solution

The fourth proportional to 1,105,833.74, 1,658,749.19 and 347,741.78 is: 521,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,833.74 : 1,658,749.19 = 347,741.78 : x
  2. Step 2: Convert to fraction form
    1,105,833.74/1,658,749.19 = 347,741.78/x
  3. Step 3: Cross multiply
    1,105,833.74x = 1,658,749.19 × 347,741.78
  4. Step 4: Simplify right side
    1,105,833.74x = 576,816,385,871.70
  5. Step 5: Solve for x
    x = 576,816,385,871.70/1,105,833.74
  6. Step 6: Final answer
    x = 521,612.22

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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.