Home / 1,080,997.50-1,617,478.56-679,762.38

Finding the Fourth Proportional to 1,080,997.50, 1,617,478.56 and 679,762.38

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Solution

The fourth proportional to 1,080,997.50, 1,617,478.56 and 679,762.38 is: 1,017,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,997.50 : 1,617,478.56 = 679,762.38 : x
  2. Step 2: Convert to fraction form
    1,080,997.50/1,617,478.56 = 679,762.38/x
  3. Step 3: Cross multiply
    1,080,997.50x = 1,617,478.56 × 679,762.38
  4. Step 4: Simplify right side
    1,080,997.50x = 1,099,501,075,544.57
  5. Step 5: Solve for x
    x = 1,099,501,075,544.57/1,080,997.50
  6. Step 6: Final answer
    x = 1,017,117.13

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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.