Home / 1,521,631.26-2,099,851.02-842,567.76

Finding the Fourth Proportional to 1,521,631.26, 2,099,851.02 and 842,567.76

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Solution

The fourth proportional to 1,521,631.26, 2,099,851.02 and 842,567.76 is: 1,162,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,631.26 : 2,099,851.02 = 842,567.76 : x
  2. Step 2: Convert to fraction form
    1,521,631.26/2,099,851.02 = 842,567.76/x
  3. Step 3: Cross multiply
    1,521,631.26x = 2,099,851.02 × 842,567.76
  4. Step 4: Simplify right side
    1,521,631.26x = 1,769,266,770,255.12
  5. Step 5: Solve for x
    x = 1,769,266,770,255.12/1,521,631.26
  6. Step 6: Final answer
    x = 1,162,743.44

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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.