Home / 1,538,660.94-2,123,400.93-840,926.45

Finding the Fourth Proportional to 1,538,660.94, 2,123,400.93 and 840,926.45

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Solution

The fourth proportional to 1,538,660.94, 2,123,400.93 and 840,926.45 is: 1,160,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,660.94 : 2,123,400.93 = 840,926.45 : x
  2. Step 2: Convert to fraction form
    1,538,660.94/2,123,400.93 = 840,926.45/x
  3. Step 3: Cross multiply
    1,538,660.94x = 2,123,400.93 × 840,926.45
  4. Step 4: Simplify right side
    1,538,660.94x = 1,785,623,995,374.59
  5. Step 5: Solve for x
    x = 1,785,623,995,374.59/1,538,660.94
  6. Step 6: Final answer
    x = 1,160,505.18

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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.