Home / 1,538,869.80-2,123,750.30-850,526.84

Finding the Fourth Proportional to 1,538,869.80, 2,123,750.30 and 850,526.84

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Solution

The fourth proportional to 1,538,869.80, 2,123,750.30 and 850,526.84 is: 1,173,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,869.80 : 2,123,750.30 = 850,526.84 : x
  2. Step 2: Convert to fraction form
    1,538,869.80/2,123,750.30 = 850,526.84/x
  3. Step 3: Cross multiply
    1,538,869.80x = 2,123,750.30 × 850,526.84
  4. Step 4: Simplify right side
    1,538,869.80x = 1,806,306,631,608.05
  5. Step 5: Solve for x
    x = 1,806,306,631,608.05/1,538,869.80
  6. Step 6: Final answer
    x = 1,173,787.82

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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.