Home / 1,643,125.50-2,464,999.29-756,661.50

Finding the Fourth Proportional to 1,643,125.50, 2,464,999.29 and 756,661.50

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Solution

The fourth proportional to 1,643,125.50, 2,464,999.29 and 756,661.50 is: 1,135,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,125.50 : 2,464,999.29 = 756,661.50 : x
  2. Step 2: Convert to fraction form
    1,643,125.50/2,464,999.29 = 756,661.50/x
  3. Step 3: Cross multiply
    1,643,125.50x = 2,464,999.29 × 756,661.50
  4. Step 4: Simplify right side
    1,643,125.50x = 1,865,170,060,270.34
  5. Step 5: Solve for x
    x = 1,865,170,060,270.34/1,643,125.50
  6. Step 6: Final answer
    x = 1,135,135.48

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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.