Home / 1,493,336.78-2,240,013.27-371,405.78

Finding the Fourth Proportional to 1,493,336.78, 2,240,013.27 and 371,405.78

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Solution

The fourth proportional to 1,493,336.78, 2,240,013.27 and 371,405.78 is: 557,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,336.78 : 2,240,013.27 = 371,405.78 : x
  2. Step 2: Convert to fraction form
    1,493,336.78/2,240,013.27 = 371,405.78/x
  3. Step 3: Cross multiply
    1,493,336.78x = 2,240,013.27 × 371,405.78
  4. Step 4: Simplify right side
    1,493,336.78x = 831,953,875,754.70
  5. Step 5: Solve for x
    x = 831,953,875,754.70/1,493,336.78
  6. Step 6: Final answer
    x = 557,110.68

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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.