Home / 1,384,018.62-1,909,992.78-803,197.02

Finding the Fourth Proportional to 1,384,018.62, 1,909,992.78 and 803,197.02

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Solution

The fourth proportional to 1,384,018.62, 1,909,992.78 and 803,197.02 is: 1,108,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,018.62 : 1,909,992.78 = 803,197.02 : x
  2. Step 2: Convert to fraction form
    1,384,018.62/1,909,992.78 = 803,197.02/x
  3. Step 3: Cross multiply
    1,384,018.62x = 1,909,992.78 × 803,197.02
  4. Step 4: Simplify right side
    1,384,018.62x = 1,534,100,509,117.52
  5. Step 5: Solve for x
    x = 1,534,100,509,117.52/1,384,018.62
  6. Step 6: Final answer
    x = 1,108,439.21

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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.