Home / 1,491,957.40-2,238,227.70-639,027.40

Finding the Fourth Proportional to 1,491,957.40, 2,238,227.70 and 639,027.40

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Solution

The fourth proportional to 1,491,957.40, 2,238,227.70 and 639,027.40 is: 958,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,957.40 : 2,238,227.70 = 639,027.40 : x
  2. Step 2: Convert to fraction form
    1,491,957.40/2,238,227.70 = 639,027.40/x
  3. Step 3: Cross multiply
    1,491,957.40x = 2,238,227.70 × 639,027.40
  4. Step 4: Simplify right side
    1,491,957.40x = 1,430,288,827,738.98
  5. Step 5: Solve for x
    x = 1,430,288,827,738.98/1,491,957.40
  6. Step 6: Final answer
    x = 958,666.00

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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.