Home / 1,538,908.72-2,123,628.08-850,545

Finding the Fourth Proportional to 1,538,908.72, 2,123,628.08 and 850,545

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Solution

The fourth proportional to 1,538,908.72, 2,123,628.08 and 850,545 is: 1,173,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,908.72 : 2,123,628.08 = 850,545 : x
  2. Step 2: Convert to fraction form
    1,538,908.72/2,123,628.08 = 850,545/x
  3. Step 3: Cross multiply
    1,538,908.72x = 2,123,628.08 × 850,545
  4. Step 4: Simplify right side
    1,538,908.72x = 1,806,241,245,303.60
  5. Step 5: Solve for x
    x = 1,806,241,245,303.60/1,538,908.72
  6. Step 6: Final answer
    x = 1,173,715.65

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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.