Home / 1,026,677.74-1,538,930.62-386,704.57

Finding the Fourth Proportional to 1,026,677.74, 1,538,930.62 and 386,704.57

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Solution

The fourth proportional to 1,026,677.74, 1,538,930.62 and 386,704.57 is: 579,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,677.74 : 1,538,930.62 = 386,704.57 : x
  2. Step 2: Convert to fraction form
    1,026,677.74/1,538,930.62 = 386,704.57/x
  3. Step 3: Cross multiply
    1,026,677.74x = 1,538,930.62 × 386,704.57
  4. Step 4: Simplify right side
    1,026,677.74x = 595,111,503,666.93
  5. Step 5: Solve for x
    x = 595,111,503,666.93/1,026,677.74
  6. Step 6: Final answer
    x = 579,647.81

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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.