Home / 1,076,294.40-1,611,331.20-656,390.40

Finding the Fourth Proportional to 1,076,294.40, 1,611,331.20 and 656,390.40

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Solution

The fourth proportional to 1,076,294.40, 1,611,331.20 and 656,390.40 is: 982,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,294.40 : 1,611,331.20 = 656,390.40 : x
  2. Step 2: Convert to fraction form
    1,076,294.40/1,611,331.20 = 656,390.40/x
  3. Step 3: Cross multiply
    1,076,294.40x = 1,611,331.20 × 656,390.40
  4. Step 4: Simplify right side
    1,076,294.40x = 1,057,662,330,900.48
  5. Step 5: Solve for x
    x = 1,057,662,330,900.48/1,076,294.40
  6. Step 6: Final answer
    x = 982,688.69

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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.