Home / 1,501,727.84-2,072,407.92-822,619.52

Finding the Fourth Proportional to 1,501,727.84, 2,072,407.92 and 822,619.52

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Solution

The fourth proportional to 1,501,727.84, 2,072,407.92 and 822,619.52 is: 1,135,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,727.84 : 2,072,407.92 = 822,619.52 : x
  2. Step 2: Convert to fraction form
    1,501,727.84/2,072,407.92 = 822,619.52/x
  3. Step 3: Cross multiply
    1,501,727.84x = 2,072,407.92 × 822,619.52
  4. Step 4: Simplify right side
    1,501,727.84x = 1,704,803,208,394.60
  5. Step 5: Solve for x
    x = 1,704,803,208,394.60/1,501,727.84
  6. Step 6: Final answer
    x = 1,135,227.81

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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.