Home / 1,309,133.21-1,963,698.90-410,644.35

Finding the Fourth Proportional to 1,309,133.21, 1,963,698.90 and 410,644.35

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Solution

The fourth proportional to 1,309,133.21, 1,963,698.90 and 410,644.35 is: 615,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,133.21 : 1,963,698.90 = 410,644.35 : x
  2. Step 2: Convert to fraction form
    1,309,133.21/1,963,698.90 = 410,644.35/x
  3. Step 3: Cross multiply
    1,309,133.21x = 1,963,698.90 × 410,644.35
  4. Step 4: Simplify right side
    1,309,133.21x = 806,381,856,846.30
  5. Step 5: Solve for x
    x = 806,381,856,846.30/1,309,133.21
  6. Step 6: Final answer
    x = 615,966.24

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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.