Home / 1,244,130.39-1,865,084.27-485,795.43

Finding the Fourth Proportional to 1,244,130.39, 1,865,084.27 and 485,795.43

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Solution

The fourth proportional to 1,244,130.39, 1,865,084.27 and 485,795.43 is: 728,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,130.39 : 1,865,084.27 = 485,795.43 : x
  2. Step 2: Convert to fraction form
    1,244,130.39/1,865,084.27 = 485,795.43/x
  3. Step 3: Cross multiply
    1,244,130.39x = 1,865,084.27 × 485,795.43
  4. Step 4: Simplify right side
    1,244,130.39x = 906,049,412,501.91
  5. Step 5: Solve for x
    x = 906,049,412,501.91/1,244,130.39
  6. Step 6: Final answer
    x = 728,259.21

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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.