Home / 1,328,310.27-1,992,317.76-475,347.45

Finding the Fourth Proportional to 1,328,310.27, 1,992,317.76 and 475,347.45

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Solution

The fourth proportional to 1,328,310.27, 1,992,317.76 and 475,347.45 is: 712,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,310.27 : 1,992,317.76 = 475,347.45 : x
  2. Step 2: Convert to fraction form
    1,328,310.27/1,992,317.76 = 475,347.45/x
  3. Step 3: Cross multiply
    1,328,310.27x = 1,992,317.76 × 475,347.45
  4. Step 4: Simplify right side
    1,328,310.27x = 947,043,166,805.71
  5. Step 5: Solve for x
    x = 947,043,166,805.71/1,328,310.27
  6. Step 6: Final answer
    x = 712,968.34

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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.