Home / 1,172,727.66-1,617,529.90-1,076,243.10

Finding the Fourth Proportional to 1,172,727.66, 1,617,529.90 and 1,076,243.10

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Solution

The fourth proportional to 1,172,727.66, 1,617,529.90 and 1,076,243.10 is: 1,484,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,727.66 : 1,617,529.90 = 1,076,243.10 : x
  2. Step 2: Convert to fraction form
    1,172,727.66/1,617,529.90 = 1,076,243.10/x
  3. Step 3: Cross multiply
    1,172,727.66x = 1,617,529.90 × 1,076,243.10
  4. Step 4: Simplify right side
    1,172,727.66x = 1,740,855,393,918.69
  5. Step 5: Solve for x
    x = 1,740,855,393,918.69/1,172,727.66
  6. Step 6: Final answer
    x = 1,484,449.85

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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.