Home / 1,190,619.36-1,643,084.32-646,754.98

Finding the Fourth Proportional to 1,190,619.36, 1,643,084.32 and 646,754.98

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Solution

The fourth proportional to 1,190,619.36, 1,643,084.32 and 646,754.98 is: 892,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,619.36 : 1,643,084.32 = 646,754.98 : x
  2. Step 2: Convert to fraction form
    1,190,619.36/1,643,084.32 = 646,754.98/x
  3. Step 3: Cross multiply
    1,190,619.36x = 1,643,084.32 × 646,754.98
  4. Step 4: Simplify right side
    1,190,619.36x = 1,062,672,966,519.91
  5. Step 5: Solve for x
    x = 1,062,672,966,519.91/1,190,619.36
  6. Step 6: Final answer
    x = 892,537.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.