Home / 775,258.80-1,160,555.40-681,946.80

Finding the Fourth Proportional to 775,258.80, 1,160,555.40 and 681,946.80

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Solution

The fourth proportional to 775,258.80, 1,160,555.40 and 681,946.80 is: 1,020,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,258.80 : 1,160,555.40 = 681,946.80 : x
  2. Step 2: Convert to fraction form
    775,258.80/1,160,555.40 = 681,946.80/x
  3. Step 3: Cross multiply
    775,258.80x = 1,160,555.40 × 681,946.80
  4. Step 4: Simplify right side
    775,258.80x = 791,437,041,252.72
  5. Step 5: Solve for x
    x = 791,437,041,252.72/775,258.80
  6. Step 6: Final answer
    x = 1,020,868.18

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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.