Home / 1,132,120.80-1,562,287.28-622,817.76

Finding the Fourth Proportional to 1,132,120.80, 1,562,287.28 and 622,817.76

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Solution

The fourth proportional to 1,132,120.80, 1,562,287.28 and 622,817.76 is: 859,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,120.80 : 1,562,287.28 = 622,817.76 : x
  2. Step 2: Convert to fraction form
    1,132,120.80/1,562,287.28 = 622,817.76/x
  3. Step 3: Cross multiply
    1,132,120.80x = 1,562,287.28 × 622,817.76
  4. Step 4: Simplify right side
    1,132,120.80x = 973,020,264,206.09
  5. Step 5: Solve for x
    x = 973,020,264,206.09/1,132,120.80
  6. Step 6: Final answer
    x = 859,466.82

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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.