Home / 1,075,717.08-1,616,329.62-811,961.64

Finding the Fourth Proportional to 1,075,717.08, 1,616,329.62 and 811,961.64

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Solution

The fourth proportional to 1,075,717.08, 1,616,329.62 and 811,961.64 is: 1,220,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,717.08 : 1,616,329.62 = 811,961.64 : x
  2. Step 2: Convert to fraction form
    1,075,717.08/1,616,329.62 = 811,961.64/x
  3. Step 3: Cross multiply
    1,075,717.08x = 1,616,329.62 × 811,961.64
  4. Step 4: Simplify right side
    1,075,717.08x = 1,312,397,649,035.78
  5. Step 5: Solve for x
    x = 1,312,397,649,035.78/1,075,717.08
  6. Step 6: Final answer
    x = 1,220,021.21

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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.