Home / 1,610,689.96-2,222,756.58-885,611.80

Finding the Fourth Proportional to 1,610,689.96, 2,222,756.58 and 885,611.80

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Solution

The fourth proportional to 1,610,689.96, 2,222,756.58 and 885,611.80 is: 1,222,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,689.96 : 2,222,756.58 = 885,611.80 : x
  2. Step 2: Convert to fraction form
    1,610,689.96/2,222,756.58 = 885,611.80/x
  3. Step 3: Cross multiply
    1,610,689.96x = 2,222,756.58 × 885,611.80
  4. Step 4: Simplify right side
    1,610,689.96x = 1,968,499,455,775.64
  5. Step 5: Solve for x
    x = 1,968,499,455,775.64/1,610,689.96
  6. Step 6: Final answer
    x = 1,222,146.72

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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.