Home / 1,054,140.80-1,581,211.20-802,198.40

Finding the Fourth Proportional to 1,054,140.80, 1,581,211.20 and 802,198.40

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Solution

The fourth proportional to 1,054,140.80, 1,581,211.20 and 802,198.40 is: 1,203,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,140.80 : 1,581,211.20 = 802,198.40 : x
  2. Step 2: Convert to fraction form
    1,054,140.80/1,581,211.20 = 802,198.40/x
  3. Step 3: Cross multiply
    1,054,140.80x = 1,581,211.20 × 802,198.40
  4. Step 4: Simplify right side
    1,054,140.80x = 1,268,445,094,702.08
  5. Step 5: Solve for x
    x = 1,268,445,094,702.08/1,054,140.80
  6. Step 6: Final answer
    x = 1,203,297.60

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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.