Home / 1,333,516.98-1,840,239.09-721,656.24

Finding the Fourth Proportional to 1,333,516.98, 1,840,239.09 and 721,656.24

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Solution

The fourth proportional to 1,333,516.98, 1,840,239.09 and 721,656.24 is: 995,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,516.98 : 1,840,239.09 = 721,656.24 : x
  2. Step 2: Convert to fraction form
    1,333,516.98/1,840,239.09 = 721,656.24/x
  3. Step 3: Cross multiply
    1,333,516.98x = 1,840,239.09 × 721,656.24
  4. Step 4: Simplify right side
    1,333,516.98x = 1,328,020,022,390.42
  5. Step 5: Solve for x
    x = 1,328,020,022,390.42/1,333,516.98
  6. Step 6: Final answer
    x = 995,877.85

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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.