Home / 1,115,141.90-1,672,712.85-367,090.70

Finding the Fourth Proportional to 1,115,141.90, 1,672,712.85 and 367,090.70

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Solution

The fourth proportional to 1,115,141.90, 1,672,712.85 and 367,090.70 is: 550,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,141.90 : 1,672,712.85 = 367,090.70 : x
  2. Step 2: Convert to fraction form
    1,115,141.90/1,672,712.85 = 367,090.70/x
  3. Step 3: Cross multiply
    1,115,141.90x = 1,672,712.85 × 367,090.70
  4. Step 4: Simplify right side
    1,115,141.90x = 614,037,331,005.50
  5. Step 5: Solve for x
    x = 614,037,331,005.50/1,115,141.90
  6. Step 6: Final answer
    x = 550,636.05

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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.