Home / 1,645,277.85-2,466,920.07-1,075,971.78

Finding the Fourth Proportional to 1,645,277.85, 2,466,920.07 and 1,075,971.78

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Solution

The fourth proportional to 1,645,277.85, 2,466,920.07 and 1,075,971.78 is: 1,613,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,277.85 : 2,466,920.07 = 1,075,971.78 : x
  2. Step 2: Convert to fraction form
    1,645,277.85/2,466,920.07 = 1,075,971.78/x
  3. Step 3: Cross multiply
    1,645,277.85x = 2,466,920.07 × 1,075,971.78
  4. Step 4: Simplify right side
    1,645,277.85x = 2,654,336,378,835.62
  5. Step 5: Solve for x
    x = 2,654,336,378,835.62/1,645,277.85
  6. Step 6: Final answer
    x = 1,613,305.85

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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.