Home / 1,396,314.33-2,094,429.78-385,498.05

Finding the Fourth Proportional to 1,396,314.33, 2,094,429.78 and 385,498.05

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Solution

The fourth proportional to 1,396,314.33, 2,094,429.78 and 385,498.05 is: 578,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,314.33 : 2,094,429.78 = 385,498.05 : x
  2. Step 2: Convert to fraction form
    1,396,314.33/2,094,429.78 = 385,498.05/x
  3. Step 3: Cross multiply
    1,396,314.33x = 2,094,429.78 × 385,498.05
  4. Step 4: Simplify right side
    1,396,314.33x = 807,398,596,051.93
  5. Step 5: Solve for x
    x = 807,398,596,051.93/1,396,314.33
  6. Step 6: Final answer
    x = 578,235.56

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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.