Home / 1,308,655.28-1,962,983.20-410,096.80

Finding the Fourth Proportional to 1,308,655.28, 1,962,983.20 and 410,096.80

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Solution

The fourth proportional to 1,308,655.28, 1,962,983.20 and 410,096.80 is: 615,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,655.28 : 1,962,983.20 = 410,096.80 : x
  2. Step 2: Convert to fraction form
    1,308,655.28/1,962,983.20 = 410,096.80/x
  3. Step 3: Cross multiply
    1,308,655.28x = 1,962,983.20 × 410,096.80
  4. Step 4: Simplify right side
    1,308,655.28x = 805,013,128,773.76
  5. Step 5: Solve for x
    x = 805,013,128,773.76/1,308,655.28
  6. Step 6: Final answer
    x = 615,145.29

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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.