Home / 1,342,187.77-2,013,021.71-521,524.98

Finding the Fourth Proportional to 1,342,187.77, 2,013,021.71 and 521,524.98

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Solution

The fourth proportional to 1,342,187.77, 2,013,021.71 and 521,524.98 is: 782,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,187.77 : 2,013,021.71 = 521,524.98 : x
  2. Step 2: Convert to fraction form
    1,342,187.77/2,013,021.71 = 521,524.98/x
  3. Step 3: Cross multiply
    1,342,187.77x = 2,013,021.71 × 521,524.98
  4. Step 4: Simplify right side
    1,342,187.77x = 1,049,841,096,982.21
  5. Step 5: Solve for x
    x = 1,049,841,096,982.21/1,342,187.77
  6. Step 6: Final answer
    x = 782,186.46

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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.