Home / 1,325,630.28-1,829,369.16-722,018.28

Finding the Fourth Proportional to 1,325,630.28, 1,829,369.16 and 722,018.28

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Solution

The fourth proportional to 1,325,630.28, 1,829,369.16 and 722,018.28 is: 996,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,630.28 : 1,829,369.16 = 722,018.28 : x
  2. Step 2: Convert to fraction form
    1,325,630.28/1,829,369.16 = 722,018.28/x
  3. Step 3: Cross multiply
    1,325,630.28x = 1,829,369.16 × 722,018.28
  4. Step 4: Simplify right side
    1,325,630.28x = 1,320,837,974,388.24
  5. Step 5: Solve for x
    x = 1,320,837,974,388.24/1,325,630.28
  6. Step 6: Final answer
    x = 996,384.89

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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.