Home / 1,090,334.10-1,635,500.76-291,594.88

Finding the Fourth Proportional to 1,090,334.10, 1,635,500.76 and 291,594.88

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Solution

The fourth proportional to 1,090,334.10, 1,635,500.76 and 291,594.88 is: 437,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,334.10 : 1,635,500.76 = 291,594.88 : x
  2. Step 2: Convert to fraction form
    1,090,334.10/1,635,500.76 = 291,594.88/x
  3. Step 3: Cross multiply
    1,090,334.10x = 1,635,500.76 × 291,594.88
  4. Step 4: Simplify right side
    1,090,334.10x = 476,903,642,669.88
  5. Step 5: Solve for x
    x = 476,903,642,669.88/1,090,334.10
  6. Step 6: Final answer
    x = 437,392.21

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Double scale
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Similar ratio
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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.