Home / 1,076,344.40-1,611,406.20-656,440.40

Finding the Fourth Proportional to 1,076,344.40, 1,611,406.20 and 656,440.40

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Solution

The fourth proportional to 1,076,344.40, 1,611,406.20 and 656,440.40 is: 982,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,344.40 : 1,611,406.20 = 656,440.40 : x
  2. Step 2: Convert to fraction form
    1,076,344.40/1,611,406.20 = 656,440.40/x
  3. Step 3: Cross multiply
    1,076,344.40x = 1,611,406.20 × 656,440.40
  4. Step 4: Simplify right side
    1,076,344.40x = 1,057,792,130,490.48
  5. Step 5: Solve for x
    x = 1,057,792,130,490.48/1,076,344.40
  6. Step 6: Final answer
    x = 982,763.63

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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.