Home / 1,076,617.20-1,614,925.80-328,663.20

Finding the Fourth Proportional to 1,076,617.20, 1,614,925.80 and 328,663.20

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Solution

The fourth proportional to 1,076,617.20, 1,614,925.80 and 328,663.20 is: 492,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,617.20 : 1,614,925.80 = 328,663.20 : x
  2. Step 2: Convert to fraction form
    1,076,617.20/1,614,925.80 = 328,663.20/x
  3. Step 3: Cross multiply
    1,076,617.20x = 1,614,925.80 × 328,663.20
  4. Step 4: Simplify right side
    1,076,617.20x = 530,766,681,190.56
  5. Step 5: Solve for x
    x = 530,766,681,190.56/1,076,617.20
  6. Step 6: Final answer
    x = 492,994.80

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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.