Home / 1,518,822.85-2,278,236.50-620,264.64

Finding the Fourth Proportional to 1,518,822.85, 2,278,236.50 and 620,264.64

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Solution

The fourth proportional to 1,518,822.85, 2,278,236.50 and 620,264.64 is: 930,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,822.85 : 2,278,236.50 = 620,264.64 : x
  2. Step 2: Convert to fraction form
    1,518,822.85/2,278,236.50 = 620,264.64/x
  3. Step 3: Cross multiply
    1,518,822.85x = 2,278,236.50 × 620,264.64
  4. Step 4: Simplify right side
    1,518,822.85x = 1,413,109,539,204.89
  5. Step 5: Solve for x
    x = 1,413,109,539,204.89/1,518,822.85
  6. Step 6: Final answer
    x = 930,397.87

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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.