Home / 1,413,013.69-1,949,940.48-768,420.01

Finding the Fourth Proportional to 1,413,013.69, 1,949,940.48 and 768,420.01

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Solution

The fourth proportional to 1,413,013.69, 1,949,940.48 and 768,420.01 is: 1,060,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,013.69 : 1,949,940.48 = 768,420.01 : x
  2. Step 2: Convert to fraction form
    1,413,013.69/1,949,940.48 = 768,420.01/x
  3. Step 3: Cross multiply
    1,413,013.69x = 1,949,940.48 × 768,420.01
  4. Step 4: Simplify right side
    1,413,013.69x = 1,498,373,283,141.01
  5. Step 5: Solve for x
    x = 1,498,373,283,141.01/1,413,013.69
  6. Step 6: Final answer
    x = 1,060,409.60

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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.