Home / 1,501,712.64-2,072,415.24-822,649.20

Finding the Fourth Proportional to 1,501,712.64, 2,072,415.24 and 822,649.20

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Solution

The fourth proportional to 1,501,712.64, 2,072,415.24 and 822,649.20 is: 1,135,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,712.64 : 2,072,415.24 = 822,649.20 : x
  2. Step 2: Convert to fraction form
    1,501,712.64/2,072,415.24 = 822,649.20/x
  3. Step 3: Cross multiply
    1,501,712.64x = 2,072,415.24 × 822,649.20
  4. Step 4: Simplify right side
    1,501,712.64x = 1,704,870,739,253.81
  5. Step 5: Solve for x
    x = 1,704,870,739,253.81/1,501,712.64
  6. Step 6: Final answer
    x = 1,135,284.27

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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.