Home / 1,303,670.70-1,955,506.05-405,105.30

Finding the Fourth Proportional to 1,303,670.70, 1,955,506.05 and 405,105.30

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Solution

The fourth proportional to 1,303,670.70, 1,955,506.05 and 405,105.30 is: 607,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,670.70 : 1,955,506.05 = 405,105.30 : x
  2. Step 2: Convert to fraction form
    1,303,670.70/1,955,506.05 = 405,105.30/x
  3. Step 3: Cross multiply
    1,303,670.70x = 1,955,506.05 × 405,105.30
  4. Step 4: Simplify right side
    1,303,670.70x = 792,185,865,037.07
  5. Step 5: Solve for x
    x = 792,185,865,037.07/1,303,670.70
  6. Step 6: Final answer
    x = 607,657.95

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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.