Home / 1,115,998.40-1,674,062.40-317,338.40

Finding the Fourth Proportional to 1,115,998.40, 1,674,062.40 and 317,338.40

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Solution

The fourth proportional to 1,115,998.40, 1,674,062.40 and 317,338.40 is: 476,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,998.40 : 1,674,062.40 = 317,338.40 : x
  2. Step 2: Convert to fraction form
    1,115,998.40/1,674,062.40 = 317,338.40/x
  3. Step 3: Cross multiply
    1,115,998.40x = 1,674,062.40 × 317,338.40
  4. Step 4: Simplify right side
    1,115,998.40x = 531,244,283,516.16
  5. Step 5: Solve for x
    x = 531,244,283,516.16/1,115,998.40
  6. Step 6: Final answer
    x = 476,026.03

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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.