Home / 1,076,292.40-1,611,328.20-656,388.40

Finding the Fourth Proportional to 1,076,292.40, 1,611,328.20 and 656,388.40

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Solution

The fourth proportional to 1,076,292.40, 1,611,328.20 and 656,388.40 is: 982,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,292.40 : 1,611,328.20 = 656,388.40 : x
  2. Step 2: Convert to fraction form
    1,076,292.40/1,611,328.20 = 656,388.40/x
  3. Step 3: Cross multiply
    1,076,292.40x = 1,611,328.20 × 656,388.40
  4. Step 4: Simplify right side
    1,076,292.40x = 1,057,657,139,072.88
  5. Step 5: Solve for x
    x = 1,057,657,139,072.88/1,076,292.40
  6. Step 6: Final answer
    x = 982,685.69

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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.