Home / 1,057,941.20-1,587,145.08-347,940.56

Finding the Fourth Proportional to 1,057,941.20, 1,587,145.08 and 347,940.56

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Solution

The fourth proportional to 1,057,941.20, 1,587,145.08 and 347,940.56 is: 521,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,941.20 : 1,587,145.08 = 347,940.56 : x
  2. Step 2: Convert to fraction form
    1,057,941.20/1,587,145.08 = 347,940.56/x
  3. Step 3: Cross multiply
    1,057,941.20x = 1,587,145.08 × 347,940.56
  4. Step 4: Simplify right side
    1,057,941.20x = 552,232,147,936.45
  5. Step 5: Solve for x
    x = 552,232,147,936.45/1,057,941.20
  6. Step 6: Final answer
    x = 521,987.56

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Double scale
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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.