Home / 1,241,628.70-1,862,005.65-442,936.30

Finding the Fourth Proportional to 1,241,628.70, 1,862,005.65 and 442,936.30

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Solution

The fourth proportional to 1,241,628.70, 1,862,005.65 and 442,936.30 is: 664,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,628.70 : 1,862,005.65 = 442,936.30 : x
  2. Step 2: Convert to fraction form
    1,241,628.70/1,862,005.65 = 442,936.30/x
  3. Step 3: Cross multiply
    1,241,628.70x = 1,862,005.65 × 442,936.30
  4. Step 4: Simplify right side
    1,241,628.70x = 824,749,893,190.10
  5. Step 5: Solve for x
    x = 824,749,893,190.10/1,241,628.70
  6. Step 6: Final answer
    x = 664,248.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.