Home / 1,380,583.68-1,905,292.02-760,388.73

Finding the Fourth Proportional to 1,380,583.68, 1,905,292.02 and 760,388.73

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Solution

The fourth proportional to 1,380,583.68, 1,905,292.02 and 760,388.73 is: 1,049,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,583.68 : 1,905,292.02 = 760,388.73 : x
  2. Step 2: Convert to fraction form
    1,380,583.68/1,905,292.02 = 760,388.73/x
  3. Step 3: Cross multiply
    1,380,583.68x = 1,905,292.02 × 760,388.73
  4. Step 4: Simplify right side
    1,380,583.68x = 1,448,762,579,366.93
  5. Step 5: Solve for x
    x = 1,448,762,579,366.93/1,380,583.68
  6. Step 6: Final answer
    x = 1,049,384.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.