Home / 1,275,037-1,759,551.12-702,075.76

Finding the Fourth Proportional to 1,275,037, 1,759,551.12 and 702,075.76

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Solution

The fourth proportional to 1,275,037, 1,759,551.12 and 702,075.76 is: 968,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,037 : 1,759,551.12 = 702,075.76 : x
  2. Step 2: Convert to fraction form
    1,275,037/1,759,551.12 = 702,075.76/x
  3. Step 3: Cross multiply
    1,275,037x = 1,759,551.12 × 702,075.76
  4. Step 4: Simplify right side
    1,275,037x = 1,235,338,189,832.85
  5. Step 5: Solve for x
    x = 1,235,338,189,832.85/1,275,037
  6. Step 6: Final answer
    x = 968,864.58

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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.