Home / 1,308,487.77-1,962,729.23-409,998.31

Finding the Fourth Proportional to 1,308,487.77, 1,962,729.23 and 409,998.31

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Solution

The fourth proportional to 1,308,487.77, 1,962,729.23 and 409,998.31 is: 614,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,487.77 : 1,962,729.23 = 409,998.31 : x
  2. Step 2: Convert to fraction form
    1,308,487.77/1,962,729.23 = 409,998.31/x
  3. Step 3: Cross multiply
    1,308,487.77x = 1,962,729.23 × 409,998.31
  4. Step 4: Simplify right side
    1,308,487.77x = 804,715,660,330.79
  5. Step 5: Solve for x
    x = 804,715,660,330.79/1,308,487.77
  6. Step 6: Final answer
    x = 614,996.70

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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.