Home / 678,604.20-1,017,906.30-678,604.20

Finding the Fourth Proportional to 678,604.20, 1,017,906.30 and 678,604.20

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Solution

The fourth proportional to 678,604.20, 1,017,906.30 and 678,604.20 is: 1,017,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,604.20 : 1,017,906.30 = 678,604.20 : x
  2. Step 2: Convert to fraction form
    678,604.20/1,017,906.30 = 678,604.20/x
  3. Step 3: Cross multiply
    678,604.20x = 1,017,906.30 × 678,604.20
  4. Step 4: Simplify right side
    678,604.20x = 690,755,490,386.46
  5. Step 5: Solve for x
    x = 690,755,490,386.46/678,604.20
  6. Step 6: Final answer
    x = 1,017,906.30

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1.5x scale

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.