Home / 1,326,461.48-1,829,216.42-842,185.87

Finding the Fourth Proportional to 1,326,461.48, 1,829,216.42 and 842,185.87

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Solution

The fourth proportional to 1,326,461.48, 1,829,216.42 and 842,185.87 is: 1,161,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,461.48 : 1,829,216.42 = 842,185.87 : x
  2. Step 2: Convert to fraction form
    1,326,461.48/1,829,216.42 = 842,185.87/x
  3. Step 3: Cross multiply
    1,326,461.48x = 1,829,216.42 × 842,185.87
  4. Step 4: Simplify right side
    1,326,461.48x = 1,540,540,226,759.55
  5. Step 5: Solve for x
    x = 1,540,540,226,759.55/1,326,461.48
  6. Step 6: Final answer
    x = 1,161,390.85

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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.