Home / 1,075,752.10-1,613,628.15-721,857.70

Finding the Fourth Proportional to 1,075,752.10, 1,613,628.15 and 721,857.70

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Solution

The fourth proportional to 1,075,752.10, 1,613,628.15 and 721,857.70 is: 1,082,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,752.10 : 1,613,628.15 = 721,857.70 : x
  2. Step 2: Convert to fraction form
    1,075,752.10/1,613,628.15 = 721,857.70/x
  3. Step 3: Cross multiply
    1,075,752.10x = 1,613,628.15 × 721,857.70
  4. Step 4: Simplify right side
    1,075,752.10x = 1,164,809,905,014.25
  5. Step 5: Solve for x
    x = 1,164,809,905,014.25/1,075,752.10
  6. Step 6: Final answer
    x = 1,082,786.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.