Home / 1,172,727.47-1,617,529.62-1,076,242.90

Finding the Fourth Proportional to 1,172,727.47, 1,617,529.62 and 1,076,242.90

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Solution

The fourth proportional to 1,172,727.47, 1,617,529.62 and 1,076,242.90 is: 1,484,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,727.47 : 1,617,529.62 = 1,076,242.90 : x
  2. Step 2: Convert to fraction form
    1,172,727.47/1,617,529.62 = 1,076,242.90/x
  3. Step 3: Cross multiply
    1,172,727.47x = 1,617,529.62 × 1,076,242.90
  4. Step 4: Simplify right side
    1,172,727.47x = 1,740,854,765,020.87
  5. Step 5: Solve for x
    x = 1,740,854,765,020.87/1,172,727.47
  6. Step 6: Final answer
    x = 1,484,449.55

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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.