Home / 1,129,744.22-1,559,045.10-620,446.54

Finding the Fourth Proportional to 1,129,744.22, 1,559,045.10 and 620,446.54

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Solution

The fourth proportional to 1,129,744.22, 1,559,045.10 and 620,446.54 is: 856,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,744.22 : 1,559,045.10 = 620,446.54 : x
  2. Step 2: Convert to fraction form
    1,129,744.22/1,559,045.10 = 620,446.54/x
  3. Step 3: Cross multiply
    1,129,744.22x = 1,559,045.10 × 620,446.54
  4. Step 4: Simplify right side
    1,129,744.22x = 967,304,137,998.95
  5. Step 5: Solve for x
    x = 967,304,137,998.95/1,129,744.22
  6. Step 6: Final answer
    x = 856,215.17

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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.