Home / 1,420,702.54-2,131,335.38-522,151.72

Finding the Fourth Proportional to 1,420,702.54, 2,131,335.38 and 522,151.72

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Solution

The fourth proportional to 1,420,702.54, 2,131,335.38 and 522,151.72 is: 783,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,702.54 : 2,131,335.38 = 522,151.72 : x
  2. Step 2: Convert to fraction form
    1,420,702.54/2,131,335.38 = 522,151.72/x
  3. Step 3: Cross multiply
    1,420,702.54x = 2,131,335.38 × 522,151.72
  4. Step 4: Simplify right side
    1,420,702.54x = 1,112,880,430,540.89
  5. Step 5: Solve for x
    x = 1,112,880,430,540.89/1,420,702.54
  6. Step 6: Final answer
    x = 783,331.06

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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.