Home / 1,090,232.71-1,635,220.27-291,576.15

Finding the Fourth Proportional to 1,090,232.71, 1,635,220.27 and 291,576.15

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Solution

The fourth proportional to 1,090,232.71, 1,635,220.27 and 291,576.15 is: 437,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,232.71 : 1,635,220.27 = 291,576.15 : x
  2. Step 2: Convert to fraction form
    1,090,232.71/1,635,220.27 = 291,576.15/x
  3. Step 3: Cross multiply
    1,090,232.71x = 1,635,220.27 × 291,576.15
  4. Step 4: Simplify right side
    1,090,232.71x = 476,791,231,093.03
  5. Step 5: Solve for x
    x = 476,791,231,093.03/1,090,232.71
  6. Step 6: Final answer
    x = 437,329.78

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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.