Home / 1,554,570.92-2,145,279.08-847,338.64

Finding the Fourth Proportional to 1,554,570.92, 2,145,279.08 and 847,338.64

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Solution

The fourth proportional to 1,554,570.92, 2,145,279.08 and 847,338.64 is: 1,169,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,570.92 : 2,145,279.08 = 847,338.64 : x
  2. Step 2: Convert to fraction form
    1,554,570.92/2,145,279.08 = 847,338.64/x
  3. Step 3: Cross multiply
    1,554,570.92x = 2,145,279.08 × 847,338.64
  4. Step 4: Simplify right side
    1,554,570.92x = 1,817,777,858,067.65
  5. Step 5: Solve for x
    x = 1,817,777,858,067.65/1,554,570.92
  6. Step 6: Final answer
    x = 1,169,311.63

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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.