Home / 1,396,628.90-2,094,561.04-385,509.14

Finding the Fourth Proportional to 1,396,628.90, 2,094,561.04 and 385,509.14

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Solution

The fourth proportional to 1,396,628.90, 2,094,561.04 and 385,509.14 is: 578,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,628.90 : 2,094,561.04 = 385,509.14 : x
  2. Step 2: Convert to fraction form
    1,396,628.90/2,094,561.04 = 385,509.14/x
  3. Step 3: Cross multiply
    1,396,628.90x = 2,094,561.04 × 385,509.14
  4. Step 4: Simplify right side
    1,396,628.90x = 807,472,433,046.42
  5. Step 5: Solve for x
    x = 807,472,433,046.42/1,396,628.90
  6. Step 6: Final answer
    x = 578,158.19

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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.