Home / 1,613,391.40-2,226,439.40-888,231.88

Finding the Fourth Proportional to 1,613,391.40, 2,226,439.40 and 888,231.88

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Solution

The fourth proportional to 1,613,391.40, 2,226,439.40 and 888,231.88 is: 1,225,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,391.40 : 2,226,439.40 = 888,231.88 : x
  2. Step 2: Convert to fraction form
    1,613,391.40/2,226,439.40 = 888,231.88/x
  3. Step 3: Cross multiply
    1,613,391.40x = 2,226,439.40 × 888,231.88
  4. Step 4: Simplify right side
    1,613,391.40x = 1,977,594,453,968.07
  5. Step 5: Solve for x
    x = 1,977,594,453,968.07/1,613,391.40
  6. Step 6: Final answer
    x = 1,225,737.57

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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.