Home / 1,308,490.36-1,962,734.82-410,002.72

Finding the Fourth Proportional to 1,308,490.36, 1,962,734.82 and 410,002.72

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Solution

The fourth proportional to 1,308,490.36, 1,962,734.82 and 410,002.72 is: 615,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,490.36 : 1,962,734.82 = 410,002.72 : x
  2. Step 2: Convert to fraction form
    1,308,490.36/1,962,734.82 = 410,002.72/x
  3. Step 3: Cross multiply
    1,308,490.36x = 1,962,734.82 × 410,002.72
  4. Step 4: Simplify right side
    1,308,490.36x = 804,726,614,838.71
  5. Step 5: Solve for x
    x = 804,726,614,838.71/1,308,490.36
  6. Step 6: Final answer
    x = 615,003.85

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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.