Home / 1,304,558.48-1,799,526.12-820,355.60

Finding the Fourth Proportional to 1,304,558.48, 1,799,526.12 and 820,355.60

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Solution

The fourth proportional to 1,304,558.48, 1,799,526.12 and 820,355.60 is: 1,131,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,558.48 : 1,799,526.12 = 820,355.60 : x
  2. Step 2: Convert to fraction form
    1,304,558.48/1,799,526.12 = 820,355.60/x
  3. Step 3: Cross multiply
    1,304,558.48x = 1,799,526.12 × 820,355.60
  4. Step 4: Simplify right side
    1,304,558.48x = 1,476,251,329,888.27
  5. Step 5: Solve for x
    x = 1,476,251,329,888.27/1,304,558.48
  6. Step 6: Final answer
    x = 1,131,609.93

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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.