Home / 1,210,003.10-1,815,004.65-501,415.10

Finding the Fourth Proportional to 1,210,003.10, 1,815,004.65 and 501,415.10

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Solution

The fourth proportional to 1,210,003.10, 1,815,004.65 and 501,415.10 is: 752,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,003.10 : 1,815,004.65 = 501,415.10 : x
  2. Step 2: Convert to fraction form
    1,210,003.10/1,815,004.65 = 501,415.10/x
  3. Step 3: Cross multiply
    1,210,003.10x = 1,815,004.65 × 501,415.10
  4. Step 4: Simplify right side
    1,210,003.10x = 910,070,738,080.22
  5. Step 5: Solve for x
    x = 910,070,738,080.22/1,210,003.10
  6. Step 6: Final answer
    x = 752,122.65

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Double scale
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Similar ratio
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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.