Home / 1,005,519.80-1,508,279.70-706,338.20

Finding the Fourth Proportional to 1,005,519.80, 1,508,279.70 and 706,338.20

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Solution

The fourth proportional to 1,005,519.80, 1,508,279.70 and 706,338.20 is: 1,059,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,519.80 : 1,508,279.70 = 706,338.20 : x
  2. Step 2: Convert to fraction form
    1,005,519.80/1,508,279.70 = 706,338.20/x
  3. Step 3: Cross multiply
    1,005,519.80x = 1,508,279.70 × 706,338.20
  4. Step 4: Simplify right side
    1,005,519.80x = 1,065,355,568,394.54
  5. Step 5: Solve for x
    x = 1,065,355,568,394.54/1,005,519.80
  6. Step 6: Final answer
    x = 1,059,507.30

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Double scale
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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.