Home / 906,316.37-1,356,517.52-666,366.65

Finding the Fourth Proportional to 906,316.37, 1,356,517.52 and 666,366.65

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Solution

The fourth proportional to 906,316.37, 1,356,517.52 and 666,366.65 is: 997,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,316.37 : 1,356,517.52 = 666,366.65 : x
  2. Step 2: Convert to fraction form
    906,316.37/1,356,517.52 = 666,366.65/x
  3. Step 3: Cross multiply
    906,316.37x = 1,356,517.52 × 666,366.65
  4. Step 4: Simplify right side
    906,316.37x = 903,938,032,136.88
  5. Step 5: Solve for x
    x = 903,938,032,136.88/906,316.37
  6. Step 6: Final answer
    x = 997,375.82

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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.