Home / 1,413,033.16-1,949,967.42-768,439.63

Finding the Fourth Proportional to 1,413,033.16, 1,949,967.42 and 768,439.63

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Solution

The fourth proportional to 1,413,033.16, 1,949,967.42 and 768,439.63 is: 1,060,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,033.16 : 1,949,967.42 = 768,439.63 : x
  2. Step 2: Convert to fraction form
    1,413,033.16/1,949,967.42 = 768,439.63/x
  3. Step 3: Cross multiply
    1,413,033.16x = 1,949,967.42 × 768,439.63
  4. Step 4: Simplify right side
    1,413,033.16x = 1,498,432,242,736.85
  5. Step 5: Solve for x
    x = 1,498,432,242,736.85/1,413,033.16
  6. Step 6: Final answer
    x = 1,060,436.72

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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.