Home / 1,538,838.17-2,123,530.59-850,474.45

Finding the Fourth Proportional to 1,538,838.17, 2,123,530.59 and 850,474.45

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Solution

The fourth proportional to 1,538,838.17, 2,123,530.59 and 850,474.45 is: 1,173,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,838.17 : 2,123,530.59 = 850,474.45 : x
  2. Step 2: Convert to fraction form
    1,538,838.17/2,123,530.59 = 850,474.45/x
  3. Step 3: Cross multiply
    1,538,838.17x = 2,123,530.59 × 850,474.45
  4. Step 4: Simplify right side
    1,538,838.17x = 1,806,008,510,588.43
  5. Step 5: Solve for x
    x = 1,806,008,510,588.43/1,538,838.17
  6. Step 6: Final answer
    x = 1,173,618.22

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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.