Home / 1,140,859.27-1,574,404.50-624,604.60

Finding the Fourth Proportional to 1,140,859.27, 1,574,404.50 and 624,604.60

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Solution

The fourth proportional to 1,140,859.27, 1,574,404.50 and 624,604.60 is: 861,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,859.27 : 1,574,404.50 = 624,604.60 : x
  2. Step 2: Convert to fraction form
    1,140,859.27/1,574,404.50 = 624,604.60/x
  3. Step 3: Cross multiply
    1,140,859.27x = 1,574,404.50 × 624,604.60
  4. Step 4: Simplify right side
    1,140,859.27x = 983,380,292,960.70
  5. Step 5: Solve for x
    x = 983,380,292,960.70/1,140,859.27
  6. Step 6: Final answer
    x = 861,964.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.