Home / 1,076,323.68-1,485,344.88-617,438.88

Finding the Fourth Proportional to 1,076,323.68, 1,485,344.88 and 617,438.88

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Solution

The fourth proportional to 1,076,323.68, 1,485,344.88 and 617,438.88 is: 852,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,323.68 : 1,485,344.88 = 617,438.88 : x
  2. Step 2: Convert to fraction form
    1,076,323.68/1,485,344.88 = 617,438.88/x
  3. Step 3: Cross multiply
    1,076,323.68x = 1,485,344.88 × 617,438.88
  4. Step 4: Simplify right side
    1,076,323.68x = 917,109,679,120.93
  5. Step 5: Solve for x
    x = 917,109,679,120.93/1,076,323.68
  6. Step 6: Final answer
    x = 852,076.10

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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.