Home / 1,200,551.13-1,656,765.51-649,266.82

Finding the Fourth Proportional to 1,200,551.13, 1,656,765.51 and 649,266.82

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Solution

The fourth proportional to 1,200,551.13, 1,656,765.51 and 649,266.82 is: 895,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,551.13 : 1,656,765.51 = 649,266.82 : x
  2. Step 2: Convert to fraction form
    1,200,551.13/1,656,765.51 = 649,266.82/x
  3. Step 3: Cross multiply
    1,200,551.13x = 1,656,765.51 × 649,266.82
  4. Step 4: Simplify right side
    1,200,551.13x = 1,075,682,874,163.38
  5. Step 5: Solve for x
    x = 1,075,682,874,163.38/1,200,551.13
  6. Step 6: Final answer
    x = 895,990.89

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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.