Home / 1,072,116.48-1,606,072.32-621,891.20

Finding the Fourth Proportional to 1,072,116.48, 1,606,072.32 and 621,891.20

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Solution

The fourth proportional to 1,072,116.48, 1,606,072.32 and 621,891.20 is: 931,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,116.48 : 1,606,072.32 = 621,891.20 : x
  2. Step 2: Convert to fraction form
    1,072,116.48/1,606,072.32 = 621,891.20/x
  3. Step 3: Cross multiply
    1,072,116.48x = 1,606,072.32 × 621,891.20
  4. Step 4: Simplify right side
    1,072,116.48x = 998,802,242,371.58
  5. Step 5: Solve for x
    x = 998,802,242,371.58/1,072,116.48
  6. Step 6: Final answer
    x = 931,617.28

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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.