Home / 1,501,742.70-2,072,456.64-822,679.20

Finding the Fourth Proportional to 1,501,742.70, 2,072,456.64 and 822,679.20

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Solution

The fourth proportional to 1,501,742.70, 2,072,456.64 and 822,679.20 is: 1,135,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,742.70 : 2,072,456.64 = 822,679.20 : x
  2. Step 2: Convert to fraction form
    1,501,742.70/2,072,456.64 = 822,679.20/x
  3. Step 3: Cross multiply
    1,501,742.70x = 2,072,456.64 × 822,679.20
  4. Step 4: Simplify right side
    1,501,742.70x = 1,704,966,970,629.89
  5. Step 5: Solve for x
    x = 1,704,966,970,629.89/1,501,742.70
  6. Step 6: Final answer
    x = 1,135,325.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.