Home / 1,396,629.65-2,094,562.16-385,509.89

Finding the Fourth Proportional to 1,396,629.65, 2,094,562.16 and 385,509.89

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Solution

The fourth proportional to 1,396,629.65, 2,094,562.16 and 385,509.89 is: 578,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,629.65 : 2,094,562.16 = 385,509.89 : x
  2. Step 2: Convert to fraction form
    1,396,629.65/2,094,562.16 = 385,509.89/x
  3. Step 3: Cross multiply
    1,396,629.65x = 2,094,562.16 × 385,509.89
  4. Step 4: Simplify right side
    1,396,629.65x = 807,474,434,099.94
  5. Step 5: Solve for x
    x = 807,474,434,099.94/1,396,629.65
  6. Step 6: Final answer
    x = 578,159.31

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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.