Home / 1,691,074.20-2,333,685.53-916,702.66

Finding the Fourth Proportional to 1,691,074.20, 2,333,685.53 and 916,702.66

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Solution

The fourth proportional to 1,691,074.20, 2,333,685.53 and 916,702.66 is: 1,265,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,074.20 : 2,333,685.53 = 916,702.66 : x
  2. Step 2: Convert to fraction form
    1,691,074.20/2,333,685.53 = 916,702.66/x
  3. Step 3: Cross multiply
    1,691,074.20x = 2,333,685.53 × 916,702.66
  4. Step 4: Simplify right side
    1,691,074.20x = 2,139,295,728,371.00
  5. Step 5: Solve for x
    x = 2,139,295,728,371.00/1,691,074.20
  6. Step 6: Final answer
    x = 1,265,051.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.