Home / 1,051,393.38-1,580,382.08-693,861.80

Finding the Fourth Proportional to 1,051,393.38, 1,580,382.08 and 693,861.80

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Solution

The fourth proportional to 1,051,393.38, 1,580,382.08 and 693,861.80 is: 1,042,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,393.38 : 1,580,382.08 = 693,861.80 : x
  2. Step 2: Convert to fraction form
    1,051,393.38/1,580,382.08 = 693,861.80/x
  3. Step 3: Cross multiply
    1,051,393.38x = 1,580,382.08 × 693,861.80
  4. Step 4: Simplify right side
    1,051,393.38x = 1,096,566,743,345.32
  5. Step 5: Solve for x
    x = 1,096,566,743,345.32/1,051,393.38
  6. Step 6: Final answer
    x = 1,042,965.23

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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.