Home / 1,128,704.12-1,693,051.54-408,877.27

Finding the Fourth Proportional to 1,128,704.12, 1,693,051.54 and 408,877.27

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Solution

The fourth proportional to 1,128,704.12, 1,693,051.54 and 408,877.27 is: 613,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,704.12 : 1,693,051.54 = 408,877.27 : x
  2. Step 2: Convert to fraction form
    1,128,704.12/1,693,051.54 = 408,877.27/x
  3. Step 3: Cross multiply
    1,128,704.12x = 1,693,051.54 × 408,877.27
  4. Step 4: Simplify right side
    1,128,704.12x = 692,250,295,913.09
  5. Step 5: Solve for x
    x = 692,250,295,913.09/1,128,704.12
  6. Step 6: Final answer
    x = 613,314.23

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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.