Home / 1,330,235.30-1,835,732.12-726,623.30

Finding the Fourth Proportional to 1,330,235.30, 1,835,732.12 and 726,623.30

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Solution

The fourth proportional to 1,330,235.30, 1,835,732.12 and 726,623.30 is: 1,002,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,235.30 : 1,835,732.12 = 726,623.30 : x
  2. Step 2: Convert to fraction form
    1,330,235.30/1,835,732.12 = 726,623.30/x
  3. Step 3: Cross multiply
    1,330,235.30x = 1,835,732.12 × 726,623.30
  4. Step 4: Simplify right side
    1,330,235.30x = 1,333,885,730,950.40
  5. Step 5: Solve for x
    x = 1,333,885,730,950.40/1,330,235.30
  6. Step 6: Final answer
    x = 1,002,744.20

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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.