Home / 985,622.60-1,476,101.10-668,361.80

Finding the Fourth Proportional to 985,622.60, 1,476,101.10 and 668,361.80

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Solution

The fourth proportional to 985,622.60, 1,476,101.10 and 668,361.80 is: 1,000,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,622.60 : 1,476,101.10 = 668,361.80 : x
  2. Step 2: Convert to fraction form
    985,622.60/1,476,101.10 = 668,361.80/x
  3. Step 3: Cross multiply
    985,622.60x = 1,476,101.10 × 668,361.80
  4. Step 4: Simplify right side
    985,622.60x = 986,569,588,177.98
  5. Step 5: Solve for x
    x = 986,569,588,177.98/985,622.60
  6. Step 6: Final answer
    x = 1,000,960.80

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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.