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Finding the Fourth Proportional to 1,795,702.56, 2,692,036.90 and 835,662.81

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Solution

The fourth proportional to 1,795,702.56, 2,692,036.90 and 835,662.81 is: 1,252,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,702.56 : 2,692,036.90 = 835,662.81 : x
  2. Step 2: Convert to fraction form
    1,795,702.56/2,692,036.90 = 835,662.81/x
  3. Step 3: Cross multiply
    1,795,702.56x = 2,692,036.90 × 835,662.81
  4. Step 4: Simplify right side
    1,795,702.56x = 2,249,635,120,477.69
  5. Step 5: Solve for x
    x = 2,249,635,120,477.69/1,795,702.56
  6. Step 6: Final answer
    x = 1,252,788.28

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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.