Home / 1,091,557.80-1,637,336.70-825,837.30

Finding the Fourth Proportional to 1,091,557.80, 1,637,336.70 and 825,837.30

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Solution

The fourth proportional to 1,091,557.80, 1,637,336.70 and 825,837.30 is: 1,238,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,557.80 : 1,637,336.70 = 825,837.30 : x
  2. Step 2: Convert to fraction form
    1,091,557.80/1,637,336.70 = 825,837.30/x
  3. Step 3: Cross multiply
    1,091,557.80x = 1,637,336.70 × 825,837.30
  4. Step 4: Simplify right side
    1,091,557.80x = 1,352,173,719,518.91
  5. Step 5: Solve for x
    x = 1,352,173,719,518.91/1,091,557.80
  6. Step 6: Final answer
    x = 1,238,755.95

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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.