Home / 1,137,429.52-1,705,969.32-379,284.16

Finding the Fourth Proportional to 1,137,429.52, 1,705,969.32 and 379,284.16

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Solution

The fourth proportional to 1,137,429.52, 1,705,969.32 and 379,284.16 is: 568,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,429.52 : 1,705,969.32 = 379,284.16 : x
  2. Step 2: Convert to fraction form
    1,137,429.52/1,705,969.32 = 379,284.16/x
  3. Step 3: Cross multiply
    1,137,429.52x = 1,705,969.32 × 379,284.16
  4. Step 4: Simplify right side
    1,137,429.52x = 647,047,140,521.97
  5. Step 5: Solve for x
    x = 647,047,140,521.97/1,137,429.52
  6. Step 6: Final answer
    x = 568,867.90

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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.