Home / 1,365,043.19-2,047,863.67-418,487.72

Finding the Fourth Proportional to 1,365,043.19, 2,047,863.67 and 418,487.72

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Solution

The fourth proportional to 1,365,043.19, 2,047,863.67 and 418,487.72 is: 627,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,043.19 : 2,047,863.67 = 418,487.72 : x
  2. Step 2: Convert to fraction form
    1,365,043.19/2,047,863.67 = 418,487.72/x
  3. Step 3: Cross multiply
    1,365,043.19x = 2,047,863.67 × 418,487.72
  4. Step 4: Simplify right side
    1,365,043.19x = 857,005,786,843.60
  5. Step 5: Solve for x
    x = 857,005,786,843.60/1,365,043.19
  6. Step 6: Final answer
    x = 627,823.20

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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.