Home / 1,224,042.45-1,689,333.92-740,611.59

Finding the Fourth Proportional to 1,224,042.45, 1,689,333.92 and 740,611.59

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Solution

The fourth proportional to 1,224,042.45, 1,689,333.92 and 740,611.59 is: 1,022,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,042.45 : 1,689,333.92 = 740,611.59 : x
  2. Step 2: Convert to fraction form
    1,224,042.45/1,689,333.92 = 740,611.59/x
  3. Step 3: Cross multiply
    1,224,042.45x = 1,689,333.92 × 740,611.59
  4. Step 4: Simplify right side
    1,224,042.45x = 1,251,140,280,532.13
  5. Step 5: Solve for x
    x = 1,251,140,280,532.13/1,224,042.45
  6. Step 6: Final answer
    x = 1,022,137.98

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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.