Home / 1,076,219.52-1,485,126.86-668,312.73

Finding the Fourth Proportional to 1,076,219.52, 1,485,126.86 and 668,312.73

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Solution

The fourth proportional to 1,076,219.52, 1,485,126.86 and 668,312.73 is: 922,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,219.52 : 1,485,126.86 = 668,312.73 : x
  2. Step 2: Convert to fraction form
    1,076,219.52/1,485,126.86 = 668,312.73/x
  3. Step 3: Cross multiply
    1,076,219.52x = 1,485,126.86 × 668,312.73
  4. Step 4: Simplify right side
    1,076,219.52x = 992,529,182,861.36
  5. Step 5: Solve for x
    x = 992,529,182,861.36/1,076,219.52
  6. Step 6: Final answer
    x = 922,236.74

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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.