Home / 1,304,334.36-1,800,077.06-723,648.80

Finding the Fourth Proportional to 1,304,334.36, 1,800,077.06 and 723,648.80

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Solution

The fourth proportional to 1,304,334.36, 1,800,077.06 and 723,648.80 is: 998,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,334.36 : 1,800,077.06 = 723,648.80 : x
  2. Step 2: Convert to fraction form
    1,304,334.36/1,800,077.06 = 723,648.80/x
  3. Step 3: Cross multiply
    1,304,334.36x = 1,800,077.06 × 723,648.80
  4. Step 4: Simplify right side
    1,304,334.36x = 1,302,623,604,376.53
  5. Step 5: Solve for x
    x = 1,302,623,604,376.53/1,304,334.36
  6. Step 6: Final answer
    x = 998,688.41

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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.