Home / 1,071,389.80-1,597,618.85-1,061,773.48

Finding the Fourth Proportional to 1,071,389.80, 1,597,618.85 and 1,061,773.48

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Solution

The fourth proportional to 1,071,389.80, 1,597,618.85 and 1,061,773.48 is: 1,583,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,389.80 : 1,597,618.85 = 1,061,773.48 : x
  2. Step 2: Convert to fraction form
    1,071,389.80/1,597,618.85 = 1,061,773.48/x
  3. Step 3: Cross multiply
    1,071,389.80x = 1,597,618.85 × 1,061,773.48
  4. Step 4: Simplify right side
    1,071,389.80x = 1,696,309,326,078.10
  5. Step 5: Solve for x
    x = 1,696,309,326,078.10/1,071,389.80
  6. Step 6: Final answer
    x = 1,583,279.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.